1666871876

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 3007737600

約数和(自身を除く): 1340865724

約数列:

[1, 2, 4, 79, 137, 139, 158, 274, 277, 278, 316, 548, 554, 556, 1108, 10823, 10981, 19043, 21646, 21883, 21962, 37949, 38086, 38503, 43292, 43766, 43924, 75898, 76172, 77006, 87532, 151796, 154012, 1504397, 2997971, 3008794, 3041737, 5274911, 5995942, 6017588, 6083474, 10549822, 11991884, 12166948, 21099644, 416717969, 833435938, 1666871876]

約数ペア:

[(1, 1666871876), (2, 833435938), (4, 416717969), (79, 21099644), (137, 12166948), (139, 11991884), (158, 10549822), (274, 6083474), (277, 6017588), (278, 5995942), (316, 5274911), (548, 3041737), (554, 3008794), (556, 2997971), (1108, 1504397), (10823, 154012), (10981, 151796), (19043, 87532), (21646, 77006), (21883, 76172), (21962, 75898), (37949, 43924), (38086, 43766), (38503, 43292)]