245587984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{1621}}^1$

素因数の和:2203

約数の個数: 40

約数和(自身を含む): 505032408

約数和(自身を除く): 259444424

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 557, 1114, 1621, 2228, 3242, 4456, 6484, 8912, 9469, 12968, 18938, 25936, 27557, 37876, 55114, 75752, 110228, 151504, 220456, 440912, 902897, 1805794, 3611588, 7223176, 14446352, 15349249, 30698498, 61396996, 122793992, 245587984]

約数ペア:

[(1, 245587984), (2, 122793992), (4, 61396996), (8, 30698498), (16, 15349249), (17, 14446352), (34, 7223176), (68, 3611588), (136, 1805794), (272, 902897), (557, 440912), (1114, 220456), (1621, 151504), (2228, 110228), (3242, 75752), (4456, 55114), (6484, 37876), (8912, 27557), (9469, 25936), (12968, 18938)]