28708758

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1653

約数の個数: 48

約数和(自身を含む): 67878720

約数和(自身を除く): 39169962

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 79, 117, 158, 234, 237, 474, 711, 1027, 1422, 1553, 2054, 3081, 3106, 4659, 6162, 9243, 9318, 13977, 18486, 20189, 27954, 40378, 60567, 121134, 122687, 181701, 245374, 363402, 368061, 736122, 1104183, 1594931, 2208366, 3189862, 4784793, 9569586, 14354379, 28708758]

約数ペア:

[(1, 28708758), (2, 14354379), (3, 9569586), (6, 4784793), (9, 3189862), (13, 2208366), (18, 1594931), (26, 1104183), (39, 736122), (78, 368061), (79, 363402), (117, 245374), (158, 181701), (234, 122687), (237, 121134), (474, 60567), (711, 40378), (1027, 27954), (1422, 20189), (1553, 18486), (2054, 13977), (3081, 9318), (3106, 9243), (4659, 6162)]