127990780990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1\times {\mathrm{770611}}^1$

素因数の和:771612

約数の個数: 32

約数和(自身を含む): 244185365664

約数和(自身を除く): 116194584674

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 977, 1954, 4885, 9770, 16609, 33218, 83045, 166090, 770611, 1541222, 3853055, 7706110, 13100387, 26200774, 65501935, 131003870, 752886947, 1505773894, 3764434735, 7528869470, 12799078099, 25598156198, 63995390495, 127990780990]

約数ペア:

[(1, 127990780990), (2, 63995390495), (5, 25598156198), (10, 12799078099), (17, 7528869470), (34, 3764434735), (85, 1505773894), (170, 752886947), (977, 131003870), (1954, 65501935), (4885, 26200774), (9770, 13100387), (16609, 7706110), (33218, 3853055), (83045, 1541222), (166090, 770611)]