12881872

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 26013960

約数和(自身を除く): 13132088

約数列:

[1, 2, 4, 8, 16, 41, 73, 82, 146, 164, 269, 292, 328, 538, 584, 656, 1076, 1168, 2152, 2993, 4304, 5986, 11029, 11972, 19637, 22058, 23944, 39274, 44116, 47888, 78548, 88232, 157096, 176464, 314192, 805117, 1610234, 3220468, 6440936, 12881872]

約数ペア:

[(1, 12881872), (2, 6440936), (4, 3220468), (8, 1610234), (16, 805117), (41, 314192), (73, 176464), (82, 157096), (146, 88232), (164, 78548), (269, 47888), (292, 44116), (328, 39274), (538, 23944), (584, 22058), (656, 19637), (1076, 11972), (1168, 11029), (2152, 5986), (2993, 4304)]