28886110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 60217344

約数和(自身を除く): 31331234

約数列:

[1, 2, 5, 10, 11, 22, 31, 43, 55, 62, 86, 110, 155, 197, 215, 310, 341, 394, 430, 473, 682, 946, 985, 1333, 1705, 1970, 2167, 2365, 2666, 3410, 4334, 4730, 6107, 6665, 8471, 10835, 12214, 13330, 14663, 16942, 21670, 29326, 30535, 42355, 61070, 67177, 73315, 84710, 93181, 134354, 146630, 186362, 262601, 335885, 465905, 525202, 671770, 931810, 1313005, 2626010, 2888611, 5777222, 14443055, 28886110]

約数ペア:

[(1, 28886110), (2, 14443055), (5, 5777222), (10, 2888611), (11, 2626010), (22, 1313005), (31, 931810), (43, 671770), (55, 525202), (62, 465905), (86, 335885), (110, 262601), (155, 186362), (197, 146630), (215, 134354), (310, 93181), (341, 84710), (394, 73315), (430, 67177), (473, 61070), (682, 42355), (946, 30535), (985, 29326), (1333, 21670), (1705, 16942), (1970, 14663), (2167, 13330), (2365, 12214), (2666, 10835), (3410, 8471), (4334, 6665), (4730, 6107)]