1661860421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 1891784160

約数和(自身を除く): 229923739

約数列:

[1, 13, 41, 53, 89, 533, 661, 689, 1157, 2173, 3649, 4717, 8593, 27101, 28249, 35033, 47437, 58829, 61321, 193397, 352313, 455429, 764777, 1436353, 2411989, 2514161, 3117937, 18672589, 31355857, 40533181, 127835417, 1661860421]

約数ペア:

[(1, 1661860421), (13, 127835417), (41, 40533181), (53, 31355857), (89, 18672589), (533, 3117937), (661, 2514161), (689, 2411989), (1157, 1436353), (2173, 764777), (3649, 455429), (4717, 352313), (8593, 193397), (27101, 61321), (28249, 58829), (35033, 47437)]