78543890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{270841}}^1$

素因数の和:270877

約数の個数: 16

約数和(自身を含む): 146254680

約数和(自身を除く): 67710790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 270841, 541682, 1354205, 2708410, 7854389, 15708778, 39271945, 78543890]

約数ペア:

[(1, 78543890), (2, 39271945), (5, 15708778), (10, 7854389), (29, 2708410), (58, 1354205), (145, 541682), (290, 270841)]