128109904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{11621}}^1$

素因数の和:11695

約数の個数: 40

約数和(自身を含む): 272373192

約数和(自身を除く): 144263288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 11621, 23242, 46484, 92968, 151073, 185936, 302146, 604292, 615913, 1208584, 1231826, 2417168, 2463652, 4927304, 8006869, 9854608, 16013738, 32027476, 64054952, 128109904]

約数ペア:

[(1, 128109904), (2, 64054952), (4, 32027476), (8, 16013738), (13, 9854608), (16, 8006869), (26, 4927304), (52, 2463652), (53, 2417168), (104, 1231826), (106, 1208584), (208, 615913), (212, 604292), (424, 302146), (689, 185936), (848, 151073), (1378, 92968), (2756, 46484), (5512, 23242), (11024, 11621)]