281987384

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{82549}}^1$

素因数の和:82623

約数の個数: 32

約数和(自身を含む): 614172000

約数和(自身を除く): 332184616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 82549, 165098, 330196, 577843, 660392, 1155686, 2311372, 4622744, 5035489, 10070978, 20141956, 35248423, 40283912, 70496846, 140993692, 281987384]

約数ペア:

[(1, 281987384), (2, 140993692), (4, 70496846), (7, 40283912), (8, 35248423), (14, 20141956), (28, 10070978), (56, 5035489), (61, 4622744), (122, 2311372), (244, 1155686), (427, 660392), (488, 577843), (854, 330196), (1708, 165098), (3416, 82549)]