320870879

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 398952960

約数和(自身を除く): 78082081

約数列:

[1, 7, 19, 41, 133, 163, 287, 361, 779, 1141, 2527, 3097, 5453, 6683, 6859, 14801, 21679, 46781, 48013, 58843, 103607, 126977, 281219, 411901, 888839, 1118017, 1968533, 2412563, 7826119, 16887941, 45838697, 320870879]

約数ペア:

[(1, 320870879), (7, 45838697), (19, 16887941), (41, 7826119), (133, 2412563), (163, 1968533), (287, 1118017), (361, 888839), (779, 411901), (1141, 281219), (2527, 126977), (3097, 103607), (5453, 58843), (6683, 48013), (6859, 46781), (14801, 21679)]