387686052

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1009}}^1$

素因数の和:1853

約数の個数: 72

約数和(自身を含む): 1057700280

約数和(自身を除く): 670014228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 821, 1009, 1642, 2018, 2463, 3027, 3284, 4036, 4926, 6054, 7389, 9081, 9852, 10673, 12108, 13117, 14778, 18162, 21346, 26234, 29556, 32019, 36324, 39351, 42692, 52468, 64038, 78702, 96057, 118053, 128076, 157404, 192114, 236106, 384228, 472212, 828389, 1656778, 2485167, 3313556, 4970334, 7455501, 9940668, 10769057, 14911002, 21538114, 29822004, 32307171, 43076228, 64614342, 96921513, 129228684, 193843026, 387686052]

約数ペア:

[(1, 387686052), (2, 193843026), (3, 129228684), (4, 96921513), (6, 64614342), (9, 43076228), (12, 32307171), (13, 29822004), (18, 21538114), (26, 14911002), (36, 10769057), (39, 9940668), (52, 7455501), (78, 4970334), (117, 3313556), (156, 2485167), (234, 1656778), (468, 828389), (821, 472212), (1009, 384228), (1642, 236106), (2018, 192114), (2463, 157404), (3027, 128076), (3284, 118053), (4036, 96057), (4926, 78702), (6054, 64038), (7389, 52468), (9081, 42692), (9852, 39351), (10673, 36324), (12108, 32019), (13117, 29556), (14778, 26234), (18162, 21346)]