638888908

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41411}}^1$

素因数の和:41470

約数の個数: 48

約数和(自身を含む): 1391443200

約数和(自身を除く): 752554292

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 2204, 3857, 7714, 15428, 41411, 82822, 165644, 289877, 579754, 786809, 1159508, 1200919, 1573618, 2401838, 3147236, 4803676, 5507663, 8406433, 11015326, 16812866, 22030652, 22817461, 33625732, 45634922, 91269844, 159722227, 319444454, 638888908]

約数ペア:

[(1, 638888908), (2, 319444454), (4, 159722227), (7, 91269844), (14, 45634922), (19, 33625732), (28, 22817461), (29, 22030652), (38, 16812866), (58, 11015326), (76, 8406433), (116, 5507663), (133, 4803676), (203, 3147236), (266, 2401838), (406, 1573618), (532, 1200919), (551, 1159508), (812, 786809), (1102, 579754), (2204, 289877), (3857, 165644), (7714, 82822), (15428, 41411)]