17971165

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 23560704

約数和(自身を除く): 5589539

約数列:

[1, 5, 23, 31, 71, 115, 155, 355, 713, 1633, 2201, 3565, 5041, 8165, 11005, 25205, 50623, 115943, 156271, 253115, 579715, 781355, 3594233, 17971165]

約数ペア:

[(1, 17971165), (5, 3594233), (23, 781355), (31, 579715), (71, 253115), (115, 156271), (155, 115943), (355, 50623), (713, 25205), (1633, 11005), (2201, 8165), (3565, 5041)]