187839340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{722459}}^1$

素因数の和:722481

約数の個数: 24

約数和(自身を含む): 424806480

約数和(自身を除く): 236967140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 722459, 1444918, 2889836, 3612295, 7224590, 9391967, 14449180, 18783934, 37567868, 46959835, 93919670, 187839340]

約数ペア:

[(1, 187839340), (2, 93919670), (4, 46959835), (5, 37567868), (10, 18783934), (13, 14449180), (20, 9391967), (26, 7224590), (52, 3612295), (65, 2889836), (130, 1444918), (260, 722459)]