155175085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 209018880

約数和(自身を除く): 53843795

約数列:

[1, 5, 13, 29, 65, 145, 191, 377, 431, 955, 1885, 2155, 2483, 5539, 5603, 12415, 12499, 27695, 28015, 62495, 72007, 82321, 162487, 360035, 411605, 812435, 1070173, 2387309, 5350865, 11936545, 31035017, 155175085]

約数ペア:

[(1, 155175085), (5, 31035017), (13, 11936545), (29, 5350865), (65, 2387309), (145, 1070173), (191, 812435), (377, 411605), (431, 360035), (955, 162487), (1885, 82321), (2155, 72007), (2483, 62495), (5539, 28015), (5603, 27695), (12415, 12499)]