91030090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4447}}^1$

素因数の和:4566

約数の個数: 32

約数和(自身を含む): 172938240

約数和(自身を除く): 81908150

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 4447, 8894, 10235, 20470, 22235, 44470, 102281, 204562, 395783, 511405, 791566, 1022810, 1978915, 3957830, 9103009, 18206018, 45515045, 91030090]

約数ペア:

[(1, 91030090), (2, 45515045), (5, 18206018), (10, 9103009), (23, 3957830), (46, 1978915), (89, 1022810), (115, 791566), (178, 511405), (230, 395783), (445, 204562), (890, 102281), (2047, 44470), (4094, 22235), (4447, 20470), (8894, 10235)]