81218574

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2467}}^1$

素因数の和:2565

約数の個数: 48

約数和(自身を含む): 184803840

約数和(自身を除く): 103585266

約数列:

[1, 2, 3, 6, 9, 18, 31, 59, 62, 93, 118, 177, 186, 279, 354, 531, 558, 1062, 1829, 2467, 3658, 4934, 5487, 7401, 10974, 14802, 16461, 22203, 32922, 44406, 76477, 145553, 152954, 229431, 291106, 436659, 458862, 688293, 873318, 1309977, 1376586, 2619954, 4512143, 9024286, 13536429, 27072858, 40609287, 81218574]

約数ペア:

[(1, 81218574), (2, 40609287), (3, 27072858), (6, 13536429), (9, 9024286), (18, 4512143), (31, 2619954), (59, 1376586), (62, 1309977), (93, 873318), (118, 688293), (177, 458862), (186, 436659), (279, 291106), (354, 229431), (531, 152954), (558, 145553), (1062, 76477), (1829, 44406), (2467, 32922), (3658, 22203), (4934, 16461), (5487, 14802), (7401, 10974)]