287789294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{28309}}^1$

素因数の和:28364

約数の個数: 32

約数和(自身を含む): 513656640

約数和(自身を除く): 225867346

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 5083, 10166, 28309, 56618, 368017, 481253, 651107, 736034, 962506, 1302214, 6256289, 8464391, 11068819, 12512578, 16928782, 22137638, 143894647, 287789294]

約数ペア:

[(1, 287789294), (2, 143894647), (13, 22137638), (17, 16928782), (23, 12512578), (26, 11068819), (34, 8464391), (46, 6256289), (221, 1302214), (299, 962506), (391, 736034), (442, 651107), (598, 481253), (782, 368017), (5083, 56618), (10166, 28309)]