51791068225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 77815769472

約数和(自身を除く): 26024701247

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 107, 115, 169, 221, 293, 299, 325, 391, 425, 535, 575, 845, 1105, 1391, 1465, 1495, 1819, 1955, 2461, 2675, 2873, 3809, 3887, 4225, 4981, 5083, 5525, 6739, 6955, 7325, 7475, 9095, 9775, 12305, 14365, 18083, 19045, 19435, 23647, 24905, 25415, 31351, 31993, 33695, 34775, 41837, 45475, 49517, 61525, 64753, 66079, 71825, 87607, 90415, 95225, 97175, 114563, 118235, 124525, 127075, 156755, 159965, 168475, 209185, 247585, 307411, 323765, 330395, 407563, 415909, 438035, 452075, 532967, 543881, 572815, 591175, 721073, 783775, 799825, 841789, 1045925, 1138891, 1237925, 1489319, 1537055, 1618825, 1651975, 2037815, 2079545, 2190175, 2664835, 2719405, 2864075, 3605365, 4208945, 5298319, 5694455, 6928571, 7070453, 7446595, 7685275, 9373949, 10189075, 10397725, 12258241, 13324175, 13597025, 18026825, 19361147, 21044725, 26491595, 28472275, 34642855, 35352265, 37232975, 46869745, 61291205, 90071423, 96805735, 121861337, 132457975, 159357133, 173214275, 176761325, 234348725, 306456025, 450357115, 484028675, 609306685, 796785665, 2071642729, 2251785575, 3046533425, 3983928325, 10358213645, 51791068225]

約数ペア:

[(1, 51791068225), (5, 10358213645), (13, 3983928325), (17, 3046533425), (23, 2251785575), (25, 2071642729), (65, 796785665), (85, 609306685), (107, 484028675), (115, 450357115), (169, 306456025), (221, 234348725), (293, 176761325), (299, 173214275), (325, 159357133), (391, 132457975), (425, 121861337), (535, 96805735), (575, 90071423), (845, 61291205), (1105, 46869745), (1391, 37232975), (1465, 35352265), (1495, 34642855), (1819, 28472275), (1955, 26491595), (2461, 21044725), (2675, 19361147), (2873, 18026825), (3809, 13597025), (3887, 13324175), (4225, 12258241), (4981, 10397725), (5083, 10189075), (5525, 9373949), (6739, 7685275), (6955, 7446595), (7325, 7070453), (7475, 6928571), (9095, 5694455), (9775, 5298319), (12305, 4208945), (14365, 3605365), (18083, 2864075), (19045, 2719405), (19435, 2664835), (23647, 2190175), (24905, 2079545), (25415, 2037815), (31351, 1651975), (31993, 1618825), (33695, 1537055), (34775, 1489319), (41837, 1237925), (45475, 1138891), (49517, 1045925), (61525, 841789), (64753, 799825), (66079, 783775), (71825, 721073), (87607, 591175), (90415, 572815), (95225, 543881), (97175, 532967), (114563, 452075), (118235, 438035), (124525, 415909), (127075, 407563), (156755, 330395), (159965, 323765), (168475, 307411), (209185, 247585)]