291201388

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{2557}}^1$

素因数の和:3033

約数の個数: 24

約数和(自身を含む): 518271264

約数和(自身を除く): 227069876

約数列:

[1, 2, 4, 71, 142, 284, 401, 802, 1604, 2557, 5114, 10228, 28471, 56942, 113884, 181547, 363094, 726188, 1025357, 2050714, 4101428, 72800347, 145600694, 291201388]

約数ペア:

[(1, 291201388), (2, 145600694), (4, 72800347), (71, 4101428), (142, 2050714), (284, 1025357), (401, 726188), (802, 363094), (1604, 181547), (2557, 113884), (5114, 56942), (10228, 28471)]