256979324

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^2\times {\mathrm{1559}}^1$

素因数の和:1635

約数の個数: 54

約数和(自身を含む): 542145240

約数和(自身を除く): 285165916

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 841, 1421, 1559, 1682, 2842, 3118, 3364, 5684, 5887, 6236, 10913, 11774, 21826, 23548, 41209, 43652, 45211, 76391, 82418, 90422, 152782, 164836, 180844, 305564, 316477, 632954, 1265908, 1311119, 2215339, 2622238, 4430678, 5244476, 8861356, 9177833, 18355666, 36711332, 64244831, 128489662, 256979324]

約数ペア:

[(1, 256979324), (2, 128489662), (4, 64244831), (7, 36711332), (14, 18355666), (28, 9177833), (29, 8861356), (49, 5244476), (58, 4430678), (98, 2622238), (116, 2215339), (196, 1311119), (203, 1265908), (406, 632954), (812, 316477), (841, 305564), (1421, 180844), (1559, 164836), (1682, 152782), (2842, 90422), (3118, 82418), (3364, 76391), (5684, 45211), (5887, 43652), (6236, 41209), (10913, 23548), (11774, 21826)]