129820268

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 36

約数和(自身を含む): 238807800

約数和(自身を除く): 108987532

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 449, 898, 1681, 1763, 1796, 3362, 3526, 6724, 7052, 18409, 19307, 36818, 38614, 72283, 73636, 77228, 144566, 289132, 754769, 791587, 1509538, 1583174, 3019076, 3166348, 32455067, 64910134, 129820268]

約数ペア:

[(1, 129820268), (2, 64910134), (4, 32455067), (41, 3166348), (43, 3019076), (82, 1583174), (86, 1509538), (164, 791587), (172, 754769), (449, 289132), (898, 144566), (1681, 77228), (1763, 73636), (1796, 72283), (3362, 38614), (3526, 36818), (6724, 19307), (7052, 18409)]