28551138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2131}}^1$

素因数の和:2183

約数の個数: 64

約数和(自身を含む): 73681920

約数和(自身を除く): 45130782

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 58, 66, 77, 87, 154, 174, 203, 231, 319, 406, 462, 609, 638, 957, 1218, 1914, 2131, 2233, 4262, 4466, 6393, 6699, 12786, 13398, 14917, 23441, 29834, 44751, 46882, 61799, 70323, 89502, 123598, 140646, 164087, 185397, 328174, 370794, 432593, 492261, 679789, 865186, 984522, 1297779, 1359578, 2039367, 2595558, 4078734, 4758523, 9517046, 14275569, 28551138]

約数ペア:

[(1, 28551138), (2, 14275569), (3, 9517046), (6, 4758523), (7, 4078734), (11, 2595558), (14, 2039367), (21, 1359578), (22, 1297779), (29, 984522), (33, 865186), (42, 679789), (58, 492261), (66, 432593), (77, 370794), (87, 328174), (154, 185397), (174, 164087), (203, 140646), (231, 123598), (319, 89502), (406, 70323), (462, 61799), (609, 46882), (638, 44751), (957, 29834), (1218, 23441), (1914, 14917), (2131, 13398), (2233, 12786), (4262, 6699), (4466, 6393)]