261134018

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 411962880

約数和(自身を除く): 150828862

約数列:

[1, 2, 31, 62, 139, 157, 193, 278, 314, 386, 4309, 4867, 5983, 8618, 9734, 11966, 21823, 26827, 30301, 43646, 53654, 60602, 676513, 831637, 939331, 1353026, 1663274, 1878662, 4211839, 8423678, 130567009, 261134018]

約数ペア:

[(1, 261134018), (2, 130567009), (31, 8423678), (62, 4211839), (139, 1878662), (157, 1663274), (193, 1353026), (278, 939331), (314, 831637), (386, 676513), (4309, 60602), (4867, 53654), (5983, 43646), (8618, 30301), (9734, 26827), (11966, 21823)]