63877990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8179}}^1$

素因数の和:8268

約数の個数: 32

約数和(自身を含む): 127215360

約数和(自身を除く): 63337370

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 8179, 16358, 40895, 81790, 89969, 179938, 449845, 580709, 899690, 1161418, 2903545, 5807090, 6387799, 12775598, 31938995, 63877990]

約数ペア:

[(1, 63877990), (2, 31938995), (5, 12775598), (10, 6387799), (11, 5807090), (22, 2903545), (55, 1161418), (71, 899690), (110, 580709), (142, 449845), (355, 179938), (710, 89969), (781, 81790), (1562, 40895), (3905, 16358), (7810, 8179)]