12286990

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 22861440

約数和(自身を除く): 10574450

約数列:

[1, 2, 5, 10, 53, 97, 106, 194, 239, 265, 478, 485, 530, 970, 1195, 2390, 5141, 10282, 12667, 23183, 25334, 25705, 46366, 51410, 63335, 115915, 126670, 231830, 1228699, 2457398, 6143495, 12286990]

約数ペア:

[(1, 12286990), (2, 6143495), (5, 2457398), (10, 1228699), (53, 231830), (97, 126670), (106, 115915), (194, 63335), (239, 51410), (265, 46366), (478, 25705), (485, 25334), (530, 23183), (970, 12667), (1195, 10282), (2390, 5141)]