1855220003

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{3529}}^1$

素因数の和:3711

約数の個数: 32

約数和(自身を含む): 2348438400

約数和(自身を除く): 493218397

約数列:

[1, 7, 13, 53, 91, 109, 371, 689, 763, 1417, 3529, 4823, 5777, 9919, 24703, 40439, 45877, 75101, 187037, 321139, 384661, 525707, 1309259, 2431481, 2692627, 5000593, 17020367, 20387033, 35004151, 142709231, 265031429, 1855220003]

約数ペア:

[(1, 1855220003), (7, 265031429), (13, 142709231), (53, 35004151), (91, 20387033), (109, 17020367), (371, 5000593), (689, 2692627), (763, 2431481), (1417, 1309259), (3529, 525707), (4823, 384661), (5777, 321139), (9919, 187037), (24703, 75101), (40439, 45877)]