156728785

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 203046912

約数和(自身を除く): 46318127

約数列:

[1, 5, 23, 47, 107, 115, 235, 271, 535, 1081, 1355, 2461, 5029, 5405, 6233, 12305, 12737, 25145, 28997, 31165, 63685, 115667, 144985, 292951, 578335, 666931, 1362859, 1464755, 3334655, 6814295, 31345757, 156728785]

約数ペア:

[(1, 156728785), (5, 31345757), (23, 6814295), (47, 3334655), (107, 1464755), (115, 1362859), (235, 666931), (271, 578335), (535, 292951), (1081, 144985), (1355, 115667), (2461, 63685), (5029, 31165), (5405, 28997), (6233, 25145), (12305, 12737)]