667788512

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{1171}}^1$

素因数の和:1503

約数の個数: 48

約数和(自身を含む): 1339680384

約数和(自身を除く): 671891872

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 251, 284, 502, 568, 1004, 1136, 1171, 2008, 2272, 2342, 4016, 4684, 8032, 9368, 17821, 18736, 35642, 37472, 71284, 83141, 142568, 166282, 285136, 293921, 332564, 570272, 587842, 665128, 1175684, 1330256, 2351368, 2660512, 4702736, 9405472, 20868391, 41736782, 83473564, 166947128, 333894256, 667788512]

約数ペア:

[(1, 667788512), (2, 333894256), (4, 166947128), (8, 83473564), (16, 41736782), (32, 20868391), (71, 9405472), (142, 4702736), (251, 2660512), (284, 2351368), (502, 1330256), (568, 1175684), (1004, 665128), (1136, 587842), (1171, 570272), (2008, 332564), (2272, 293921), (2342, 285136), (4016, 166282), (4684, 142568), (8032, 83141), (9368, 71284), (17821, 37472), (18736, 35642)]