66647816

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{337}}^1\times {\mathrm{419}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 127764000

約数和(自身を除く): 61116184

約数列:

[1, 2, 4, 8, 59, 118, 236, 337, 419, 472, 674, 838, 1348, 1676, 2696, 3352, 19883, 24721, 39766, 49442, 79532, 98884, 141203, 159064, 197768, 282406, 564812, 1129624, 8330977, 16661954, 33323908, 66647816]

約数ペア:

[(1, 66647816), (2, 33323908), (4, 16661954), (8, 8330977), (59, 1129624), (118, 564812), (236, 282406), (337, 197768), (419, 159064), (472, 141203), (674, 98884), (838, 79532), (1348, 49442), (1676, 39766), (2696, 24721), (3352, 19883)]