261640422

素因数分解:

$2^1\times 3^3\times {\mathrm{211}}^1\times {\mathrm{22963}}^1$

素因数の和:23185

約数の個数: 32

約数和(自身を含む): 584204160

約数和(自身を除く): 322563738

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 211, 422, 633, 1266, 1899, 3798, 5697, 11394, 22963, 45926, 68889, 137778, 206667, 413334, 620001, 1240002, 4845193, 9690386, 14535579, 29071158, 43606737, 87213474, 130820211, 261640422]

約数ペア:

[(1, 261640422), (2, 130820211), (3, 87213474), (6, 43606737), (9, 29071158), (18, 14535579), (27, 9690386), (54, 4845193), (211, 1240002), (422, 620001), (633, 413334), (1266, 206667), (1899, 137778), (3798, 68889), (5697, 45926), (11394, 22963)]