258783412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{20663}}^1$

素因数の和:20799

約数の個数: 24

約数和(自身を含む): 472131072

約数和(自身を除く): 213347660

約数列:

[1, 2, 4, 31, 62, 101, 124, 202, 404, 3131, 6262, 12524, 20663, 41326, 82652, 640553, 1281106, 2086963, 2562212, 4173926, 8347852, 64695853, 129391706, 258783412]

約数ペア:

[(1, 258783412), (2, 129391706), (4, 64695853), (31, 8347852), (62, 4173926), (101, 2562212), (124, 2086963), (202, 1281106), (404, 640553), (3131, 82652), (6262, 41326), (12524, 20663)]