22687775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 34069248

約数和(自身を除く): 11381473

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 115, 187, 211, 253, 275, 391, 425, 575, 935, 1055, 1265, 1955, 2321, 3587, 4301, 4675, 4853, 5275, 6325, 9775, 11605, 17935, 21505, 24265, 39457, 53383, 58025, 82501, 89675, 107525, 121325, 197285, 266915, 412505, 907511, 986425, 1334575, 2062525, 4537555, 22687775]

約数ペア:

[(1, 22687775), (5, 4537555), (11, 2062525), (17, 1334575), (23, 986425), (25, 907511), (55, 412505), (85, 266915), (115, 197285), (187, 121325), (211, 107525), (253, 89675), (275, 82501), (391, 58025), (425, 53383), (575, 39457), (935, 24265), (1055, 21505), (1265, 17935), (1955, 11605), (2321, 9775), (3587, 6325), (4301, 5275), (4675, 4853)]