156978965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{911}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 222469632

約数和(自身を除く): 65490667

約数列:

[1, 5, 11, 13, 55, 65, 143, 241, 715, 911, 1205, 2651, 3133, 4555, 10021, 11843, 13255, 15665, 34463, 50105, 59215, 130273, 172315, 219551, 651365, 1097755, 2415061, 2854163, 12075305, 14270815, 31395793, 156978965]

約数ペア:

[(1, 156978965), (5, 31395793), (11, 14270815), (13, 12075305), (55, 2854163), (65, 2415061), (143, 1097755), (241, 651365), (715, 219551), (911, 172315), (1205, 130273), (2651, 59215), (3133, 50105), (4555, 34463), (10021, 15665), (11843, 13255)]