28351778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 55022976

約数和(自身を除く): 26671198

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 169, 182, 299, 322, 338, 521, 598, 1042, 1183, 2093, 2366, 3647, 3887, 4186, 6773, 7294, 7774, 11983, 13546, 23966, 27209, 47411, 54418, 83881, 88049, 94822, 155779, 167762, 176098, 311558, 616343, 1090453, 1232686, 2025127, 2180906, 4050254, 14175889, 28351778]

約数ペア:

[(1, 28351778), (2, 14175889), (7, 4050254), (13, 2180906), (14, 2025127), (23, 1232686), (26, 1090453), (46, 616343), (91, 311558), (161, 176098), (169, 167762), (182, 155779), (299, 94822), (322, 88049), (338, 83881), (521, 54418), (598, 47411), (1042, 27209), (1183, 23966), (2093, 13546), (2366, 11983), (3647, 7774), (3887, 7294), (4186, 6773)]