78815876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 156764160

約数和(自身を除く): 77948284

約数列:

[1, 2, 4, 17, 19, 34, 38, 53, 68, 76, 106, 212, 323, 646, 901, 1007, 1151, 1292, 1802, 2014, 2302, 3604, 4028, 4604, 17119, 19567, 21869, 34238, 39134, 43738, 61003, 68476, 78268, 87476, 122006, 244012, 371773, 743546, 1037051, 1159057, 1487092, 2074102, 2318114, 4148204, 4636228, 19703969, 39407938, 78815876]

約数ペア:

[(1, 78815876), (2, 39407938), (4, 19703969), (17, 4636228), (19, 4148204), (34, 2318114), (38, 2074102), (53, 1487092), (68, 1159057), (76, 1037051), (106, 743546), (212, 371773), (323, 244012), (646, 122006), (901, 87476), (1007, 78268), (1151, 68476), (1292, 61003), (1802, 43738), (2014, 39134), (2302, 34238), (3604, 21869), (4028, 19567), (4604, 17119)]