561968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 1238016

約数和(自身を除く): 676048

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 103, 124, 176, 206, 248, 341, 412, 496, 682, 824, 1133, 1364, 1648, 2266, 2728, 3193, 4532, 5456, 6386, 9064, 12772, 18128, 25544, 35123, 51088, 70246, 140492, 280984, 561968]

約数ペア:

[(1, 561968), (2, 280984), (4, 140492), (8, 70246), (11, 51088), (16, 35123), (22, 25544), (31, 18128), (44, 12772), (62, 9064), (88, 6386), (103, 5456), (124, 4532), (176, 3193), (206, 2728), (248, 2266), (341, 1648), (412, 1364), (496, 1133), (682, 824)]