215685786281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1669}}^1\times {\mathrm{1085971}}^1$

素因数の和:1087664

約数の個数: 16

約数和(自身を含む): 261154546560

約数和(自身を除く): 45468760279

約数列:

[1, 7, 17, 119, 1669, 11683, 28373, 198611, 1085971, 7601797, 18461507, 129230549, 1812485599, 12687399193, 30812255183, 215685786281]

約数ペア:

[(1, 215685786281), (7, 30812255183), (17, 12687399193), (119, 1812485599), (1669, 129230549), (11683, 18461507), (28373, 7601797), (198611, 1085971)]