256723194

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20443}}^1$

素因数の和:20491

約数の個数: 64

約数和(自身を含む): 659441664

約数和(自身を除く): 402718470

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 182, 273, 299, 322, 483, 546, 598, 897, 966, 1794, 2093, 4186, 6279, 12558, 20443, 40886, 61329, 122658, 143101, 265759, 286202, 429303, 470189, 531518, 797277, 858606, 940378, 1410567, 1594554, 1860313, 2821134, 3291323, 3720626, 5580939, 6112457, 6582646, 9873969, 11161878, 12224914, 18337371, 19747938, 36674742, 42787199, 85574398, 128361597, 256723194]

約数ペア:

[(1, 256723194), (2, 128361597), (3, 85574398), (6, 42787199), (7, 36674742), (13, 19747938), (14, 18337371), (21, 12224914), (23, 11161878), (26, 9873969), (39, 6582646), (42, 6112457), (46, 5580939), (69, 3720626), (78, 3291323), (91, 2821134), (138, 1860313), (161, 1594554), (182, 1410567), (273, 940378), (299, 858606), (322, 797277), (483, 531518), (546, 470189), (598, 429303), (897, 286202), (966, 265759), (1794, 143101), (2093, 122658), (4186, 61329), (6279, 40886), (12558, 20443)]