38452895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 55702080

約数和(自身を除く): 17249185

約数列:

[1, 5, 13, 17, 23, 65, 85, 89, 115, 221, 289, 299, 391, 445, 1105, 1157, 1445, 1495, 1513, 1955, 2047, 3757, 5083, 5785, 6647, 7565, 10235, 18785, 19669, 25415, 25721, 26611, 33235, 34799, 86411, 98345, 128605, 133055, 173995, 334373, 432055, 452387, 591583, 1671865, 2261935, 2957915, 7690579, 38452895]

約数ペア:

[(1, 38452895), (5, 7690579), (13, 2957915), (17, 2261935), (23, 1671865), (65, 591583), (85, 452387), (89, 432055), (115, 334373), (221, 173995), (289, 133055), (299, 128605), (391, 98345), (445, 86411), (1105, 34799), (1157, 33235), (1445, 26611), (1495, 25721), (1513, 25415), (1955, 19669), (2047, 18785), (3757, 10235), (5083, 7565), (5785, 6647)]