31380328

素因数分解:

$2^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{2447}}^1$

素因数の和:2689

約数の個数: 32

約数和(自身を含む): 67564800

約数和(自身を除く): 36184472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 229, 458, 916, 1603, 1832, 2447, 3206, 4894, 6412, 9788, 12824, 17129, 19576, 34258, 68516, 137032, 560363, 1120726, 2241452, 3922541, 4482904, 7845082, 15690164, 31380328]

約数ペア:

[(1, 31380328), (2, 15690164), (4, 7845082), (7, 4482904), (8, 3922541), (14, 2241452), (28, 1120726), (56, 560363), (229, 137032), (458, 68516), (916, 34258), (1603, 19576), (1832, 17129), (2447, 12824), (3206, 9788), (4894, 6412)]