31597475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 54996480

約数和(自身を除く): 23399005

約数列:

[1, 5, 7, 13, 17, 19, 25, 35, 43, 65, 85, 91, 95, 119, 133, 175, 215, 221, 247, 301, 323, 325, 425, 455, 475, 559, 595, 665, 731, 817, 1075, 1105, 1235, 1505, 1547, 1615, 1729, 2261, 2275, 2795, 2975, 3325, 3655, 3913, 4085, 4199, 5117, 5525, 5719, 6175, 7525, 7735, 8075, 8645, 9503, 10621, 11305, 13889, 13975, 18275, 19565, 20425, 20995, 25585, 28595, 29393, 38675, 43225, 47515, 53105, 56525, 66521, 69445, 74347, 97223, 97825, 104975, 127925, 142975, 146965, 180557, 237575, 265525, 332605, 347225, 371735, 486115, 734825, 902785, 1263899, 1663025, 1858675, 2430575, 4513925, 6319495, 31597475]

約数ペア:

[(1, 31597475), (5, 6319495), (7, 4513925), (13, 2430575), (17, 1858675), (19, 1663025), (25, 1263899), (35, 902785), (43, 734825), (65, 486115), (85, 371735), (91, 347225), (95, 332605), (119, 265525), (133, 237575), (175, 180557), (215, 146965), (221, 142975), (247, 127925), (301, 104975), (323, 97825), (325, 97223), (425, 74347), (455, 69445), (475, 66521), (559, 56525), (595, 53105), (665, 47515), (731, 43225), (817, 38675), (1075, 29393), (1105, 28595), (1235, 25585), (1505, 20995), (1547, 20425), (1615, 19565), (1729, 18275), (2261, 13975), (2275, 13889), (2795, 11305), (2975, 10621), (3325, 9503), (3655, 8645), (3913, 8075), (4085, 7735), (4199, 7525), (5117, 6175), (5525, 5719)]