646655412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{133717}}^1$

素因数の和:133768

約数の個数: 48

約数和(自身を含む): 1677358592

約数和(自身を除く): 1030703180

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, 133717, 267434, 401151, 534868, 802302, 1604604, 1738321, 3476642, 4145227, 5214963, 6953284, 8290454, 10429926, 12435681, 16580908, 20859852, 24871362, 49742724, 53887951, 107775902, 161663853, 215551804, 323327706, 646655412]

約数ペア:

[(1, 646655412), (2, 323327706), (3, 215551804), (4, 161663853), (6, 107775902), (12, 53887951), (13, 49742724), (26, 24871362), (31, 20859852), (39, 16580908), (52, 12435681), (62, 10429926), (78, 8290454), (93, 6953284), (124, 5214963), (156, 4145227), (186, 3476642), (372, 1738321), (403, 1604604), (806, 802302), (1209, 534868), (1612, 401151), (2418, 267434), (4836, 133717)]