61920164

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:492

約数の個数: 36

約数和(自身を含む): 115566444

約数和(自身を除く): 53646280

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 313, 361, 548, 626, 722, 1252, 1444, 2603, 5206, 5947, 10412, 11894, 23788, 42881, 49457, 85762, 98914, 112993, 171524, 197828, 225986, 451972, 814739, 1629478, 3258956, 15480041, 30960082, 61920164]

約数ペア:

[(1, 61920164), (2, 30960082), (4, 15480041), (19, 3258956), (38, 1629478), (76, 814739), (137, 451972), (274, 225986), (313, 197828), (361, 171524), (548, 112993), (626, 98914), (722, 85762), (1252, 49457), (1444, 42881), (2603, 23788), (5206, 11894), (5947, 10412)]