72980728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{7351}}^1$

素因数の和:7447

約数の個数: 32

約数和(自身を含む): 146892960

約数和(自身を除く): 73912232

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 292, 584, 1241, 2482, 4964, 7351, 9928, 14702, 29404, 58808, 124967, 249934, 499868, 536623, 999736, 1073246, 2146492, 4292984, 9122591, 18245182, 36490364, 72980728]

約数ペア:

[(1, 72980728), (2, 36490364), (4, 18245182), (8, 9122591), (17, 4292984), (34, 2146492), (68, 1073246), (73, 999736), (136, 536623), (146, 499868), (292, 249934), (584, 124967), (1241, 58808), (2482, 29404), (4964, 14702), (7351, 9928)]