280706686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{3671}}^1$

素因数の和:3876

約数の個数: 32

約数和(自身を含む): 483029568

約数和(自身を除く): 202322882

約数列:

[1, 2, 13, 17, 26, 34, 173, 221, 346, 442, 2249, 2941, 3671, 4498, 5882, 7342, 38233, 47723, 62407, 76466, 95446, 124814, 635083, 811291, 1270166, 1622582, 8256079, 10796411, 16512158, 21592822, 140353343, 280706686]

約数ペア:

[(1, 280706686), (2, 140353343), (13, 21592822), (17, 16512158), (26, 10796411), (34, 8256079), (173, 1622582), (221, 1270166), (346, 811291), (442, 635083), (2249, 124814), (2941, 95446), (3671, 76466), (4498, 62407), (5882, 47723), (7342, 38233)]