81689330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{355171}}^1$

素因数の和:355201

約数の個数: 16

約数和(自身を含む): 153434304

約数和(自身を除く): 71744974

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 355171, 710342, 1775855, 3551710, 8168933, 16337866, 40844665, 81689330]

約数ペア:

[(1, 81689330), (2, 40844665), (5, 16337866), (10, 8168933), (23, 3551710), (46, 1775855), (115, 710342), (230, 355171)]