27881968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2237}}^1$

素因数の和:2305

約数の個数: 40

約数和(自身を含む): 58277520

約数和(自身を除く): 30395552

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 2237, 3116, 4474, 6232, 8948, 12464, 17896, 35792, 42503, 85006, 91717, 170012, 183434, 340024, 366868, 680048, 733736, 1467472, 1742623, 3485246, 6970492, 13940984, 27881968]

約数ペア:

[(1, 27881968), (2, 13940984), (4, 6970492), (8, 3485246), (16, 1742623), (19, 1467472), (38, 733736), (41, 680048), (76, 366868), (82, 340024), (152, 183434), (164, 170012), (304, 91717), (328, 85006), (656, 42503), (779, 35792), (1558, 17896), (2237, 12464), (3116, 8948), (4474, 6232)]