66912530

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 123907968

約数和(自身を除く): 56995438

約数列:

[1, 2, 5, 10, 71, 73, 142, 146, 355, 365, 710, 730, 1291, 2582, 5183, 6455, 10366, 12910, 25915, 51830, 91661, 94243, 183322, 188486, 458305, 471215, 916610, 942430, 6691253, 13382506, 33456265, 66912530]

約数ペア:

[(1, 66912530), (2, 33456265), (5, 13382506), (10, 6691253), (71, 942430), (73, 916610), (142, 471215), (146, 458305), (355, 188486), (365, 183322), (710, 94243), (730, 91661), (1291, 51830), (2582, 25915), (5183, 12910), (6455, 10366)]