219407584

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20107}}^1$

素因数の和:20159

約数の個数: 48

約数和(自身を含む): 486452736

約数和(自身を除く): 267045152

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 2728, 5456, 10912, 20107, 40214, 80428, 160856, 221177, 321712, 442354, 623317, 643424, 884708, 1246634, 1769416, 2493268, 3538832, 4986536, 6856487, 7077664, 9973072, 13712974, 19946144, 27425948, 54851896, 109703792, 219407584]

約数ペア:

[(1, 219407584), (2, 109703792), (4, 54851896), (8, 27425948), (11, 19946144), (16, 13712974), (22, 9973072), (31, 7077664), (32, 6856487), (44, 4986536), (62, 3538832), (88, 2493268), (124, 1769416), (176, 1246634), (248, 884708), (341, 643424), (352, 623317), (496, 442354), (682, 321712), (992, 221177), (1364, 160856), (2728, 80428), (5456, 40214), (10912, 20107)]