28413918

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3969

約数の個数: 48

約数和(自身を含む): 68455296

約数和(自身を除く): 40041378

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 3627, 3917, 7254, 7834, 11751, 23502, 35253, 50921, 70506, 101842, 121427, 152763, 242854, 305526, 364281, 458289, 728562, 916578, 1092843, 1578551, 2185686, 3157102, 4735653, 9471306, 14206959, 28413918]

約数ペア:

[(1, 28413918), (2, 14206959), (3, 9471306), (6, 4735653), (9, 3157102), (13, 2185686), (18, 1578551), (26, 1092843), (31, 916578), (39, 728562), (62, 458289), (78, 364281), (93, 305526), (117, 242854), (186, 152763), (234, 121427), (279, 101842), (403, 70506), (558, 50921), (806, 35253), (1209, 23502), (2418, 11751), (3627, 7834), (3917, 7254)]