28815358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1901}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 51764832

約数和(自身を除く): 22949474

約数列:

[1, 2, 11, 13, 22, 26, 53, 106, 143, 286, 583, 689, 1166, 1378, 1901, 3802, 7579, 15158, 20911, 24713, 41822, 49426, 100753, 201506, 271843, 543686, 1108283, 1309789, 2216566, 2619578, 14407679, 28815358]

約数ペア:

[(1, 28815358), (2, 14407679), (11, 2619578), (13, 2216566), (22, 1309789), (26, 1108283), (53, 543686), (106, 271843), (143, 201506), (286, 100753), (583, 49426), (689, 41822), (1166, 24713), (1378, 20911), (1901, 15158), (3802, 7579)]