1211976636

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{21521}}^1$

素因数の和:21579

約数の個数: 72

約数和(自身を含む): 3214353744

約数和(自身を除く): 2002377108

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 361, 494, 722, 741, 988, 1083, 1444, 1482, 2166, 2964, 4332, 4693, 9386, 14079, 18772, 21521, 28158, 43042, 56316, 64563, 86084, 129126, 258252, 279773, 408899, 559546, 817798, 839319, 1119092, 1226697, 1635596, 1678638, 2453394, 3357276, 4906788, 5315687, 7769081, 10631374, 15538162, 15947061, 21262748, 23307243, 31076324, 31894122, 46614486, 63788244, 93228972, 100998053, 201996106, 302994159, 403992212, 605988318, 1211976636]

約数ペア:

[(1, 1211976636), (2, 605988318), (3, 403992212), (4, 302994159), (6, 201996106), (12, 100998053), (13, 93228972), (19, 63788244), (26, 46614486), (38, 31894122), (39, 31076324), (52, 23307243), (57, 21262748), (76, 15947061), (78, 15538162), (114, 10631374), (156, 7769081), (228, 5315687), (247, 4906788), (361, 3357276), (494, 2453394), (722, 1678638), (741, 1635596), (988, 1226697), (1083, 1119092), (1444, 839319), (1482, 817798), (2166, 559546), (2964, 408899), (4332, 279773), (4693, 258252), (9386, 129126), (14079, 86084), (18772, 64563), (21521, 56316), (28158, 43042)]