28742766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11887}}^1$

素因数の和:11936

約数の個数: 32

約数和(自身を含む): 63909888

約数和(自身を除く): 35167122

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 11887, 23774, 35661, 71322, 154531, 309062, 368497, 463593, 736994, 927186, 1105491, 2210982, 4790461, 9580922, 14371383, 28742766]

約数ペア:

[(1, 28742766), (2, 14371383), (3, 9580922), (6, 4790461), (13, 2210982), (26, 1105491), (31, 927186), (39, 736994), (62, 463593), (78, 368497), (93, 309062), (186, 154531), (403, 71322), (806, 35661), (1209, 23774), (2418, 11887)]