1617802025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{28621}}^1$

素因数の和:28674

約数の個数: 48

約数和(自身を含む): 2555372160

約数和(自身を除く): 937570135

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 175, 323, 425, 475, 595, 665, 1615, 2261, 2975, 3325, 8075, 11305, 28621, 56525, 143105, 200347, 486557, 543799, 715525, 1001735, 2432785, 2718995, 3405899, 3806593, 5008675, 9244583, 12163925, 13594975, 17029495, 19032965, 46222915, 64712081, 85147475, 95164825, 231114575, 323560405, 1617802025]

約数ペア:

[(1, 1617802025), (5, 323560405), (7, 231114575), (17, 95164825), (19, 85147475), (25, 64712081), (35, 46222915), (85, 19032965), (95, 17029495), (119, 13594975), (133, 12163925), (175, 9244583), (323, 5008675), (425, 3806593), (475, 3405899), (595, 2718995), (665, 2432785), (1615, 1001735), (2261, 715525), (2975, 543799), (3325, 486557), (8075, 200347), (11305, 143105), (28621, 56525)]