639185404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 1426440960

約数和(自身を除く): 787255556

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 31, 44, 52, 58, 62, 113, 116, 121, 124, 143, 226, 242, 286, 319, 341, 377, 403, 452, 484, 572, 638, 682, 754, 806, 899, 1243, 1276, 1364, 1469, 1508, 1573, 1612, 1798, 2486, 2938, 3146, 3277, 3503, 3509, 3596, 3751, 4147, 4433, 4972, 5876, 6292, 6554, 7006, 7018, 7502, 8294, 8866, 9889, 11687, 13108, 13673, 14012, 14036, 15004, 16159, 16588, 17732, 19778, 23374, 27346, 32318, 36047, 38533, 39556, 42601, 45539, 45617, 46748, 48763, 54692, 64636, 72094, 77066, 85202, 91078, 91234, 97526, 101587, 108779, 128557, 144188, 154132, 170404, 177749, 182156, 182468, 195052, 203174, 217558, 257114, 355498, 396517, 406348, 423863, 435116, 468611, 500929, 514228, 710996, 793034, 847726, 937222, 1001858, 1117457, 1320631, 1414127, 1586068, 1695452, 1874444, 2003716, 2234914, 2641262, 2828254, 4469828, 5154721, 5282524, 5510219, 5656508, 10309442, 11020438, 12292027, 14526941, 20618884, 22040876, 24584054, 29053882, 49168108, 58107764, 159796351, 319592702, 639185404]

約数ペア:

[(1, 639185404), (2, 319592702), (4, 159796351), (11, 58107764), (13, 49168108), (22, 29053882), (26, 24584054), (29, 22040876), (31, 20618884), (44, 14526941), (52, 12292027), (58, 11020438), (62, 10309442), (113, 5656508), (116, 5510219), (121, 5282524), (124, 5154721), (143, 4469828), (226, 2828254), (242, 2641262), (286, 2234914), (319, 2003716), (341, 1874444), (377, 1695452), (403, 1586068), (452, 1414127), (484, 1320631), (572, 1117457), (638, 1001858), (682, 937222), (754, 847726), (806, 793034), (899, 710996), (1243, 514228), (1276, 500929), (1364, 468611), (1469, 435116), (1508, 423863), (1573, 406348), (1612, 396517), (1798, 355498), (2486, 257114), (2938, 217558), (3146, 203174), (3277, 195052), (3503, 182468), (3509, 182156), (3596, 177749), (3751, 170404), (4147, 154132), (4433, 144188), (4972, 128557), (5876, 108779), (6292, 101587), (6554, 97526), (7006, 91234), (7018, 91078), (7502, 85202), (8294, 77066), (8866, 72094), (9889, 64636), (11687, 54692), (13108, 48763), (13673, 46748), (14012, 45617), (14036, 45539), (15004, 42601), (16159, 39556), (16588, 38533), (17732, 36047), (19778, 32318), (23374, 27346)]