660485665

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{3967}}^1$

素因数の和:4117

約数の個数: 32

約数和(自身を含む): 932511744

約数和(自身を除く): 272026079

約数列:

[1, 5, 7, 35, 67, 71, 335, 355, 469, 497, 2345, 2485, 3967, 4757, 19835, 23785, 27769, 33299, 138845, 166495, 265789, 281657, 1328945, 1408285, 1860523, 1971599, 9302615, 9857995, 18871019, 94355095, 132097133, 660485665]

約数ペア:

[(1, 660485665), (5, 132097133), (7, 94355095), (35, 18871019), (67, 9857995), (71, 9302615), (335, 1971599), (355, 1860523), (469, 1408285), (497, 1328945), (2345, 281657), (2485, 265789), (3967, 166495), (4757, 138845), (19835, 33299), (23785, 27769)]