81449256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 246343680

約数和(自身を除く): 164894424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 107, 138, 161, 168, 184, 197, 214, 276, 321, 322, 394, 428, 483, 552, 591, 642, 644, 749, 788, 856, 966, 1182, 1284, 1288, 1379, 1498, 1576, 1932, 2247, 2364, 2461, 2568, 2758, 2996, 3864, 4137, 4494, 4531, 4728, 4922, 5516, 5992, 7383, 8274, 8988, 9062, 9844, 11032, 13593, 14766, 16548, 17227, 17976, 18124, 19688, 21079, 27186, 29532, 31717, 33096, 34454, 36248, 42158, 51681, 54372, 59064, 63237, 63434, 68908, 84316, 95151, 103362, 108744, 126474, 126868, 137816, 147553, 168632, 190302, 206724, 252948, 253736, 295106, 380604, 413448, 442659, 484817, 505896, 590212, 761208, 885318, 969634, 1180424, 1454451, 1770636, 1939268, 2908902, 3393719, 3541272, 3878536, 5817804, 6787438, 10181157, 11635608, 13574876, 20362314, 27149752, 40724628, 81449256]

約数ペア:

[(1, 81449256), (2, 40724628), (3, 27149752), (4, 20362314), (6, 13574876), (7, 11635608), (8, 10181157), (12, 6787438), (14, 5817804), (21, 3878536), (23, 3541272), (24, 3393719), (28, 2908902), (42, 1939268), (46, 1770636), (56, 1454451), (69, 1180424), (84, 969634), (92, 885318), (107, 761208), (138, 590212), (161, 505896), (168, 484817), (184, 442659), (197, 413448), (214, 380604), (276, 295106), (321, 253736), (322, 252948), (394, 206724), (428, 190302), (483, 168632), (552, 147553), (591, 137816), (642, 126868), (644, 126474), (749, 108744), (788, 103362), (856, 95151), (966, 84316), (1182, 68908), (1284, 63434), (1288, 63237), (1379, 59064), (1498, 54372), (1576, 51681), (1932, 42158), (2247, 36248), (2364, 34454), (2461, 33096), (2568, 31717), (2758, 29532), (2996, 27186), (3864, 21079), (4137, 19688), (4494, 18124), (4531, 17976), (4728, 17227), (4922, 16548), (5516, 14766), (5992, 13593), (7383, 11032), (8274, 9844), (8988, 9062)]