168991016

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{3847}}^1$

素因数の和:3906

約数の個数: 48

約数和(自身を含む): 354400800

約数和(自身を除く): 185409784

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 289, 323, 578, 646, 1156, 1292, 2312, 2584, 3847, 5491, 7694, 10982, 15388, 21964, 30776, 43928, 65399, 73093, 130798, 146186, 261596, 292372, 523192, 584744, 1111783, 1242581, 2223566, 2485162, 4447132, 4970324, 8894264, 9940648, 21123877, 42247754, 84495508, 168991016]

約数ペア:

[(1, 168991016), (2, 84495508), (4, 42247754), (8, 21123877), (17, 9940648), (19, 8894264), (34, 4970324), (38, 4447132), (68, 2485162), (76, 2223566), (136, 1242581), (152, 1111783), (289, 584744), (323, 523192), (578, 292372), (646, 261596), (1156, 146186), (1292, 130798), (2312, 73093), (2584, 65399), (3847, 43928), (5491, 30776), (7694, 21964), (10982, 15388)]