645654328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{29231}}^1$

素因数の和:29499

約数の個数: 32

約数和(自身を含む): 1325963520

約数和(自身を除く): 680309192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 251, 502, 1004, 2008, 2761, 5522, 11044, 22088, 29231, 58462, 116924, 233848, 321541, 643082, 1286164, 2572328, 7336981, 14673962, 29347924, 58695848, 80706791, 161413582, 322827164, 645654328]

約数ペア:

[(1, 645654328), (2, 322827164), (4, 161413582), (8, 80706791), (11, 58695848), (22, 29347924), (44, 14673962), (88, 7336981), (251, 2572328), (502, 1286164), (1004, 643082), (2008, 321541), (2761, 233848), (5522, 116924), (11044, 58462), (22088, 29231)]