391505879518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1117}}^1\times {\mathrm{2687}}^1$

素因数の和:4021

約数の個数: 64

約数和(自身を含む): 658856540160

約数和(自身を除く): 267350660642

約数列:

[1, 2, 13, 26, 29, 58, 173, 346, 377, 754, 1117, 2234, 2249, 2687, 4498, 5017, 5374, 10034, 14521, 29042, 32393, 34931, 64786, 65221, 69862, 77923, 130442, 155846, 193241, 386482, 421109, 464851, 842218, 929702, 1012999, 2025998, 2512133, 3001379, 5024266, 5603989, 6002758, 6043063, 11207978, 12086126, 13480679, 26961358, 39017927, 72851857, 78035854, 87039991, 145703714, 174079982, 175248827, 350497654, 519238567, 1038477134, 1131519883, 2263039766, 6750101371, 13500202742, 15057918443, 30115836886, 195752939759, 391505879518]

約数ペア:

[(1, 391505879518), (2, 195752939759), (13, 30115836886), (26, 15057918443), (29, 13500202742), (58, 6750101371), (173, 2263039766), (346, 1131519883), (377, 1038477134), (754, 519238567), (1117, 350497654), (2234, 175248827), (2249, 174079982), (2687, 145703714), (4498, 87039991), (5017, 78035854), (5374, 72851857), (10034, 39017927), (14521, 26961358), (29042, 13480679), (32393, 12086126), (34931, 11207978), (64786, 6043063), (65221, 6002758), (69862, 5603989), (77923, 5024266), (130442, 3001379), (155846, 2512133), (193241, 2025998), (386482, 1012999), (421109, 929702), (464851, 842218)]