661912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 1365120

約数和(自身を除く): 703208

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 157, 248, 314, 527, 628, 1054, 1256, 2108, 2669, 4216, 4867, 5338, 9734, 10676, 19468, 21352, 38936, 82739, 165478, 330956, 661912]

約数ペア:

[(1, 661912), (2, 330956), (4, 165478), (8, 82739), (17, 38936), (31, 21352), (34, 19468), (62, 10676), (68, 9734), (124, 5338), (136, 4867), (157, 4216), (248, 2669), (314, 2108), (527, 1256), (628, 1054)]