164400502

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{19937}}^1$

素因数の和:19996

約数の個数: 32

約数和(自身を含む): 306247680

約数和(自身を除く): 141847178

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 4123, 8246, 19937, 39874, 139559, 279118, 378803, 618047, 757606, 1236094, 2651621, 4326329, 5303242, 8652658, 11742893, 23485786, 82200251, 164400502]

約数ペア:

[(1, 164400502), (2, 82200251), (7, 23485786), (14, 11742893), (19, 8652658), (31, 5303242), (38, 4326329), (62, 2651621), (133, 1236094), (217, 757606), (266, 618047), (434, 378803), (589, 279118), (1178, 139559), (4123, 39874), (8246, 19937)]