81426736

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{299363}}^1$

素因数の和:299388

約数の個数: 20

約数和(自身を含む): 167045112

約数和(自身を除く): 85618376

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 299363, 598726, 1197452, 2394904, 4789808, 5089171, 10178342, 20356684, 40713368, 81426736]

約数ペア:

[(1, 81426736), (2, 40713368), (4, 20356684), (8, 10178342), (16, 5089171), (17, 4789808), (34, 2394904), (68, 1197452), (136, 598726), (272, 299363)]