28228122

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 68544000

約数和(自身を除く): 40315878

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 79, 117, 158, 234, 237, 351, 474, 509, 702, 711, 1018, 1027, 1422, 1527, 2054, 2133, 3054, 3081, 4266, 4581, 6162, 6617, 9162, 9243, 13234, 13743, 18486, 19851, 27486, 27729, 39702, 40211, 55458, 59553, 80422, 119106, 120633, 178659, 241266, 357318, 361899, 522743, 723798, 1045486, 1085697, 1568229, 2171394, 3136458, 4704687, 9409374, 14114061, 28228122]

約数ペア:

[(1, 28228122), (2, 14114061), (3, 9409374), (6, 4704687), (9, 3136458), (13, 2171394), (18, 1568229), (26, 1085697), (27, 1045486), (39, 723798), (54, 522743), (78, 361899), (79, 357318), (117, 241266), (158, 178659), (234, 120633), (237, 119106), (351, 80422), (474, 59553), (509, 55458), (702, 40211), (711, 39702), (1018, 27729), (1027, 27486), (1422, 19851), (1527, 18486), (2054, 13743), (2133, 13234), (3054, 9243), (3081, 9162), (4266, 6617), (4581, 6162)]