72880496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20611}}^1$

素因数の和:20649

約数の個数: 40

約数和(自身を含む): 161020944

約数和(自身を除く): 88140448

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 20611, 41222, 82444, 164888, 267943, 329776, 350387, 535886, 700774, 1071772, 1401548, 2143544, 2803096, 4287088, 4555031, 5606192, 9110062, 18220124, 36440248, 72880496]

約数ペア:

[(1, 72880496), (2, 36440248), (4, 18220124), (8, 9110062), (13, 5606192), (16, 4555031), (17, 4287088), (26, 2803096), (34, 2143544), (52, 1401548), (68, 1071772), (104, 700774), (136, 535886), (208, 350387), (221, 329776), (272, 267943), (442, 164888), (884, 82444), (1768, 41222), (3536, 20611)]