65428990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2819}}^1$

素因数の和:3048

約数の個数: 32

約数和(自身を含む): 129133440

約数和(自身を除く): 63704450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 1055, 2110, 2321, 2819, 4642, 5638, 11605, 14095, 23210, 28190, 31009, 62018, 155045, 310090, 594809, 1189618, 2974045, 5948090, 6542899, 13085798, 32714495, 65428990]

約数ペア:

[(1, 65428990), (2, 32714495), (5, 13085798), (10, 6542899), (11, 5948090), (22, 2974045), (55, 1189618), (110, 594809), (211, 310090), (422, 155045), (1055, 62018), (2110, 31009), (2321, 28190), (2819, 23210), (4642, 14095), (5638, 11605)]