68831984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17417}}^1$

素因数の和:17457

約数の個数: 40

約数和(自身を含む): 151188240

約数和(自身を除く): 82356256

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 17417, 34834, 69668, 139336, 226421, 278672, 330923, 452842, 661846, 905684, 1323692, 1811368, 2647384, 3622736, 4301999, 5294768, 8603998, 17207996, 34415992, 68831984]

約数ペア:

[(1, 68831984), (2, 34415992), (4, 17207996), (8, 8603998), (13, 5294768), (16, 4301999), (19, 3622736), (26, 2647384), (38, 1811368), (52, 1323692), (76, 905684), (104, 661846), (152, 452842), (208, 330923), (247, 278672), (304, 226421), (494, 139336), (988, 69668), (1976, 34834), (3952, 17417)]