401759488

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{120721}}^1$

素因数の和:120750

約数の個数: 36

約数和(自身を含む): 863645188

約数和(自身を除く): 461885700

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 120721, 241442, 482884, 965768, 1569373, 1931536, 3138746, 3863072, 6277492, 7726144, 12554984, 15452288, 25109968, 30904576, 50219936, 100439872, 200879744, 401759488]

約数ペア:

[(1, 401759488), (2, 200879744), (4, 100439872), (8, 50219936), (13, 30904576), (16, 25109968), (26, 15452288), (32, 12554984), (52, 7726144), (64, 6277492), (104, 3863072), (128, 3138746), (208, 1931536), (256, 1569373), (416, 965768), (832, 482884), (1664, 241442), (3328, 120721)]