660677908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1365037}}^1$

素因数の和:1365063

約数の個数: 18

約数和(自身を含む): 1270850378

約数和(自身を除く): 610172470

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1365037, 2730074, 5460148, 15015407, 30030814, 60061628, 165169477, 330338954, 660677908]

約数ペア:

[(1, 660677908), (2, 330338954), (4, 165169477), (11, 60061628), (22, 30030814), (44, 15015407), (121, 5460148), (242, 2730074), (484, 1365037)]