28288018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 47729088

約数和(自身を除く): 19441070

約数列:

[1, 2, 11, 22, 61, 107, 122, 197, 214, 394, 671, 1177, 1342, 2167, 2354, 4334, 6527, 12017, 13054, 21079, 24034, 42158, 71797, 132187, 143594, 231869, 264374, 463738, 1285819, 2571638, 14144009, 28288018]

約数ペア:

[(1, 28288018), (2, 14144009), (11, 2571638), (22, 1285819), (61, 463738), (107, 264374), (122, 231869), (197, 143594), (214, 132187), (394, 71797), (671, 42158), (1177, 24034), (1342, 21079), (2167, 13054), (2354, 12017), (4334, 6527)]