12789490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 27447552

約数和(自身を除く): 14658062

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 607, 1214, 1505, 2107, 3010, 3035, 4214, 4249, 6070, 8498, 10535, 21070, 21245, 26101, 29743, 42490, 52202, 59486, 130505, 148715, 182707, 261010, 297430, 365414, 913535, 1278949, 1827070, 2557898, 6394745, 12789490]

約数ペア:

[(1, 12789490), (2, 6394745), (5, 2557898), (7, 1827070), (10, 1278949), (14, 913535), (35, 365414), (43, 297430), (49, 261010), (70, 182707), (86, 148715), (98, 130505), (215, 59486), (245, 52202), (301, 42490), (430, 29743), (490, 26101), (602, 21245), (607, 21070), (1214, 10535), (1505, 8498), (2107, 6070), (3010, 4249), (3035, 4214)]