220990122

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{853}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 493594920

約数和(自身を除く): 272604798

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 389, 666, 778, 853, 1167, 1706, 2334, 2559, 3501, 5118, 7002, 7677, 14393, 15354, 28786, 31561, 43179, 63122, 86358, 94683, 129537, 189366, 259074, 284049, 331817, 568098, 663634, 995451, 1990902, 2986353, 5972706, 12277229, 24554458, 36831687, 73663374, 110495061, 220990122]

約数ペア:

[(1, 220990122), (2, 110495061), (3, 73663374), (6, 36831687), (9, 24554458), (18, 12277229), (37, 5972706), (74, 2986353), (111, 1990902), (222, 995451), (333, 663634), (389, 568098), (666, 331817), (778, 284049), (853, 259074), (1167, 189366), (1706, 129537), (2334, 94683), (2559, 86358), (3501, 63122), (5118, 43179), (7002, 31561), (7677, 28786), (14393, 15354)]