15999688

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 31080960

約数和(自身を除く): 15081272

約数列:

[1, 2, 4, 8, 37, 74, 148, 191, 283, 296, 382, 566, 764, 1132, 1528, 2264, 7067, 10471, 14134, 20942, 28268, 41884, 54053, 56536, 83768, 108106, 216212, 432424, 1999961, 3999922, 7999844, 15999688]

約数ペア:

[(1, 15999688), (2, 7999844), (4, 3999922), (8, 1999961), (37, 432424), (74, 216212), (148, 108106), (191, 83768), (283, 56536), (296, 54053), (382, 41884), (566, 28268), (764, 20942), (1132, 14134), (1528, 10471), (2264, 7067)]