39518390

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 73063296

約数和(自身を除く): 33544906

約数列:

[1, 2, 5, 10, 53, 106, 173, 265, 346, 431, 530, 862, 865, 1730, 2155, 4310, 9169, 18338, 22843, 45686, 45845, 74563, 91690, 114215, 149126, 228430, 372815, 745630, 3951839, 7903678, 19759195, 39518390]

約数ペア:

[(1, 39518390), (2, 19759195), (5, 7903678), (10, 3951839), (53, 745630), (106, 372815), (173, 228430), (265, 149126), (346, 114215), (431, 91690), (530, 74563), (862, 45845), (865, 45686), (1730, 22843), (2155, 18338), (4310, 9169)]