91818390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{11909}}^1$

素因数の和:12176

約数の個数: 32

約数和(自身を含む): 221240160

約数和(自身を除く): 129421770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 514, 771, 1285, 1542, 2570, 3855, 7710, 11909, 23818, 35727, 59545, 71454, 119090, 178635, 357270, 3060613, 6121226, 9181839, 15303065, 18363678, 30606130, 45909195, 91818390]

約数ペア:

[(1, 91818390), (2, 45909195), (3, 30606130), (5, 18363678), (6, 15303065), (10, 9181839), (15, 6121226), (30, 3060613), (257, 357270), (514, 178635), (771, 119090), (1285, 71454), (1542, 59545), (2570, 35727), (3855, 23818), (7710, 11909)]