90739478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 148176000

約数和(自身を除く): 57436522

約数列:

[1, 2, 19, 38, 41, 82, 139, 278, 419, 779, 838, 1558, 2641, 5282, 5699, 7961, 11398, 15922, 17179, 34358, 58241, 108281, 116482, 216562, 326401, 652802, 1106579, 2213158, 2387881, 4775762, 45369739, 90739478]

約数ペア:

[(1, 90739478), (2, 45369739), (19, 4775762), (38, 2387881), (41, 2213158), (82, 1106579), (139, 652802), (278, 326401), (419, 216562), (779, 116482), (838, 108281), (1558, 58241), (2641, 34358), (5282, 17179), (5699, 15922), (7961, 11398)]