2238479984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{566417}}^1$

素因数の和:566457

約数の個数: 40

約数和(自身を含む): 4916508240

約数和(自身を除く): 2678028256

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 566417, 1132834, 2265668, 4531336, 7363421, 9062672, 10761923, 14726842, 21523846, 29453684, 43047692, 58907368, 86095384, 117814736, 139904999, 172190768, 279809998, 559619996, 1119239992, 2238479984]

約数ペア:

[(1, 2238479984), (2, 1119239992), (4, 559619996), (8, 279809998), (13, 172190768), (16, 139904999), (19, 117814736), (26, 86095384), (38, 58907368), (52, 43047692), (76, 29453684), (104, 21523846), (152, 14726842), (208, 10761923), (247, 9062672), (304, 7363421), (494, 4531336), (988, 2265668), (1976, 1132834), (3952, 566417)]