256431470

素因数分解:

$2^1\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{15761}}^1$

素因数の和:17395

約数の個数: 16

約数和(自身を含む): 461889648

約数和(自身を除く): 205458178

約数列:

[1, 2, 5, 10, 1627, 3254, 8135, 15761, 16270, 31522, 78805, 157610, 25643147, 51286294, 128215735, 256431470]

約数ペア:

[(1, 256431470), (2, 128215735), (5, 51286294), (10, 25643147), (1627, 157610), (3254, 78805), (8135, 31522), (15761, 16270)]