213172685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1489}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 296092800

約数和(自身を除く): 82920115

約数列:

[1, 5, 11, 19, 55, 95, 137, 209, 685, 1045, 1489, 1507, 2603, 7445, 7535, 13015, 16379, 28291, 28633, 81895, 141455, 143165, 203993, 311201, 1019965, 1556005, 2243923, 3875867, 11219615, 19379335, 42634537, 213172685]

約数ペア:

[(1, 213172685), (5, 42634537), (11, 19379335), (19, 11219615), (55, 3875867), (95, 2243923), (137, 1556005), (209, 1019965), (685, 311201), (1045, 203993), (1489, 143165), (1507, 141455), (2603, 81895), (7445, 28633), (7535, 28291), (13015, 16379)]