291278210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{17837}}^1$

素因数の和:17938

約数の個数: 32

約数和(自身を含む): 554833152

約数和(自身を除く): 263554942

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 710, 1633, 3266, 8165, 16330, 17837, 35674, 89185, 178370, 410251, 820502, 1266427, 2051255, 2532854, 4102510, 6332135, 12664270, 29127821, 58255642, 145639105, 291278210]

約数ペア:

[(1, 291278210), (2, 145639105), (5, 58255642), (10, 29127821), (23, 12664270), (46, 6332135), (71, 4102510), (115, 2532854), (142, 2051255), (230, 1266427), (355, 820502), (710, 410251), (1633, 178370), (3266, 89185), (8165, 35674), (16330, 17837)]