28105712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1567}}^1$

素因数の和:1653

約数の個数: 40

約数和(自身を含む): 58329600

約数和(自身を除く): 30223888

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1121, 1567, 2242, 3134, 4484, 6268, 8968, 12536, 17936, 25072, 29773, 59546, 92453, 119092, 184906, 238184, 369812, 476368, 739624, 1479248, 1756607, 3513214, 7026428, 14052856, 28105712]

約数ペア:

[(1, 28105712), (2, 14052856), (4, 7026428), (8, 3513214), (16, 1756607), (19, 1479248), (38, 739624), (59, 476368), (76, 369812), (118, 238184), (152, 184906), (236, 119092), (304, 92453), (472, 59546), (944, 29773), (1121, 25072), (1567, 17936), (2242, 12536), (3134, 8968), (4484, 6268)]