290440364

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{18443}}^1$

素因数の和:18605

約数の個数: 24

約数和(自身を含む): 528826368

約数和(自身を除く): 238386004

約数列:

[1, 2, 4, 31, 62, 124, 127, 254, 508, 3937, 7874, 15748, 18443, 36886, 73772, 571733, 1143466, 2286932, 2342261, 4684522, 9369044, 72610091, 145220182, 290440364]

約数ペア:

[(1, 290440364), (2, 145220182), (4, 72610091), (31, 9369044), (62, 4684522), (124, 2342261), (127, 2286932), (254, 1143466), (508, 571733), (3937, 73772), (7874, 36886), (15748, 18443)]