402641005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{787}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 552835584

約数和(自身を除く): 150194579

約数列:

[1, 5, 13, 17, 65, 85, 221, 463, 787, 1105, 2315, 3935, 6019, 7871, 10231, 13379, 30095, 39355, 51155, 66895, 102323, 173927, 364381, 511615, 869635, 1821905, 4736953, 6194477, 23684765, 30972385, 80528201, 402641005]

約数ペア:

[(1, 402641005), (5, 80528201), (13, 30972385), (17, 23684765), (65, 6194477), (85, 4736953), (221, 1821905), (463, 869635), (787, 511615), (1105, 364381), (2315, 173927), (3935, 102323), (6019, 66895), (7871, 51155), (10231, 39355), (13379, 30095)]