7978270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 15443136

約数和(自身を除く): 7464866

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 661, 710, 1207, 1322, 2414, 3305, 6035, 6610, 11237, 12070, 22474, 46931, 56185, 93862, 112370, 234655, 469310, 797827, 1595654, 3989135, 7978270]

約数ペア:

[(1, 7978270), (2, 3989135), (5, 1595654), (10, 797827), (17, 469310), (34, 234655), (71, 112370), (85, 93862), (142, 56185), (170, 46931), (355, 22474), (661, 12070), (710, 11237), (1207, 6610), (1322, 6035), (2414, 3305)]