66357025

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2851}}^1$

素因数の和:2894

約数の個数: 36

約数和(自身を含む): 100789680

約数和(自身を除く): 34432655

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 133, 175, 245, 475, 665, 931, 1225, 2851, 3325, 4655, 14255, 19957, 23275, 54169, 71275, 99785, 139699, 270845, 379183, 498925, 698495, 1354225, 1895915, 2654281, 3492475, 9479575, 13271405, 66357025]

約数ペア:

[(1, 66357025), (5, 13271405), (7, 9479575), (19, 3492475), (25, 2654281), (35, 1895915), (49, 1354225), (95, 698495), (133, 498925), (175, 379183), (245, 270845), (475, 139699), (665, 99785), (931, 71275), (1225, 54169), (2851, 23275), (3325, 19957), (4655, 14255)]