258889462

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 425041344

約数和(自身を除く): 166151882

約数列:

[1, 2, 13, 26, 101, 202, 311, 317, 622, 634, 1313, 2626, 4043, 4121, 8086, 8242, 31411, 32017, 62822, 64034, 98587, 197174, 408343, 416221, 816686, 832442, 1281631, 2563262, 9957287, 19914574, 129444731, 258889462]

約数ペア:

[(1, 258889462), (2, 129444731), (13, 19914574), (26, 9957287), (101, 2563262), (202, 1281631), (311, 832442), (317, 816686), (622, 416221), (634, 408343), (1313, 197174), (2626, 98587), (4043, 64034), (4121, 62822), (8086, 32017), (8242, 31411)]