645891324

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{133559}}^1$

素因数の和:133610

約数の個数: 48

約数和(自身を含む): 1675376640

約数和(自身を除く): 1029485316

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 133559, 267118, 400677, 534236, 801354, 1602708, 1736267, 3472534, 4140329, 5208801, 6945068, 8280658, 10417602, 12420987, 16561316, 20835204, 24841974, 49683948, 53824277, 107648554, 161472831, 215297108, 322945662, 645891324]

約数ペア:

[(1, 645891324), (2, 322945662), (3, 215297108), (4, 161472831), (6, 107648554), (12, 53824277), (13, 49683948), (26, 24841974), (31, 20835204), (39, 16561316), (52, 12420987), (62, 10417602), (78, 8280658), (93, 6945068), (124, 5208801), (156, 4140329), (186, 3472534), (372, 1736267), (403, 1602708), (806, 801354), (1209, 534236), (1612, 400677), (2418, 267118), (4836, 133559)]