81919428

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{16691}}^1$

素因数の和:17107

約数の個数: 24

約数和(自身を含む): 191624160

約数和(自身を除く): 109704732

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4908, 16691, 33382, 50073, 66764, 100146, 200292, 6826619, 13653238, 20479857, 27306476, 40959714, 81919428]

約数ペア:

[(1, 81919428), (2, 40959714), (3, 27306476), (4, 20479857), (6, 13653238), (12, 6826619), (409, 200292), (818, 100146), (1227, 66764), (1636, 50073), (2454, 33382), (4908, 16691)]