13442975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 21665280

約数和(自身を除く): 8222305

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 175, 247, 311, 325, 455, 475, 665, 1235, 1555, 1729, 2177, 2275, 3325, 4043, 5909, 6175, 7775, 8645, 10885, 20215, 28301, 29545, 41363, 43225, 54425, 76817, 101075, 141505, 147725, 206815, 384085, 537719, 707525, 1034075, 1920425, 2688595, 13442975]

約数ペア:

[(1, 13442975), (5, 2688595), (7, 1920425), (13, 1034075), (19, 707525), (25, 537719), (35, 384085), (65, 206815), (91, 147725), (95, 141505), (133, 101075), (175, 76817), (247, 54425), (311, 43225), (325, 41363), (455, 29545), (475, 28301), (665, 20215), (1235, 10885), (1555, 8645), (1729, 7775), (2177, 6175), (2275, 5909), (3325, 4043)]