419665870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{248323}}^1$

素因数の和:248356

約数の個数: 24

約数和(自身を含む): 817979256

約数和(自身を除く): 398313386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 248323, 496646, 1241615, 2483230, 3228199, 6456398, 16140995, 32281990, 41966587, 83933174, 209832935, 419665870]

約数ペア:

[(1, 419665870), (2, 209832935), (5, 83933174), (10, 41966587), (13, 32281990), (26, 16140995), (65, 6456398), (130, 3228199), (169, 2483230), (338, 1241615), (845, 496646), (1690, 248323)]