397376936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{74027}}^1$

素因数の和:74105

約数の個数: 32

約数和(自身を含む): 826152480

約数和(自身を除く): 428775544

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 74027, 148054, 296108, 592216, 814297, 1628594, 3257188, 4515647, 6514376, 9031294, 18062588, 36125176, 49672117, 99344234, 198688468, 397376936]

約数ペア:

[(1, 397376936), (2, 198688468), (4, 99344234), (8, 49672117), (11, 36125176), (22, 18062588), (44, 9031294), (61, 6514376), (88, 4515647), (122, 3257188), (244, 1628594), (488, 814297), (671, 592216), (1342, 296108), (2684, 148054), (5368, 74027)]