12645430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 26815536

約数和(自身を除く): 14170106

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 131, 197, 245, 262, 394, 490, 655, 917, 985, 1310, 1379, 1834, 1970, 2758, 4585, 6419, 6895, 9170, 9653, 12838, 13790, 19306, 25807, 32095, 48265, 51614, 64190, 96530, 129035, 180649, 258070, 361298, 903245, 1264543, 1806490, 2529086, 6322715, 12645430]

約数ペア:

[(1, 12645430), (2, 6322715), (5, 2529086), (7, 1806490), (10, 1264543), (14, 903245), (35, 361298), (49, 258070), (70, 180649), (98, 129035), (131, 96530), (197, 64190), (245, 51614), (262, 48265), (394, 32095), (490, 25807), (655, 19306), (917, 13790), (985, 12838), (1310, 9653), (1379, 9170), (1834, 6895), (1970, 6419), (2758, 4585)]