250997890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{175523}}^1$

素因数の和:175554

約数の個数: 32

約数和(自身を含む): 530784576

約数和(自身を除く): 279786686

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 175523, 351046, 877615, 1755230, 1930753, 2281799, 3861506, 4563598, 9653765, 11408995, 19307530, 22817990, 25099789, 50199578, 125498945, 250997890]

約数ペア:

[(1, 250997890), (2, 125498945), (5, 50199578), (10, 25099789), (11, 22817990), (13, 19307530), (22, 11408995), (26, 9653765), (55, 4563598), (65, 3861506), (110, 2281799), (130, 1930753), (143, 1755230), (286, 877615), (715, 351046), (1430, 175523)]