257079156

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{2689}}^1$

素因数の和:2984

約数の個数: 48

約数和(自身を含む): 621841920

約数和(自身を除く): 364762764

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 257, 372, 514, 771, 1028, 1542, 2689, 3084, 5378, 7967, 8067, 10756, 15934, 16134, 23901, 31868, 32268, 47802, 83359, 95604, 166718, 250077, 333436, 500154, 691073, 1000308, 1382146, 2073219, 2764292, 4146438, 8292876, 21423263, 42846526, 64269789, 85693052, 128539578, 257079156]

約数ペア:

[(1, 257079156), (2, 128539578), (3, 85693052), (4, 64269789), (6, 42846526), (12, 21423263), (31, 8292876), (62, 4146438), (93, 2764292), (124, 2073219), (186, 1382146), (257, 1000308), (372, 691073), (514, 500154), (771, 333436), (1028, 250077), (1542, 166718), (2689, 95604), (3084, 83359), (5378, 47802), (7967, 32268), (8067, 31868), (10756, 23901), (15934, 16134)]