257513268

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{761}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 608844096

約数和(自身を除く): 351330828

約数列:

[1, 2, 3, 4, 6, 12, 163, 173, 326, 346, 489, 519, 652, 692, 761, 978, 1038, 1522, 1956, 2076, 2283, 3044, 4566, 9132, 28199, 56398, 84597, 112796, 124043, 131653, 169194, 248086, 263306, 338388, 372129, 394959, 496172, 526612, 744258, 789918, 1488516, 1579836, 21459439, 42918878, 64378317, 85837756, 128756634, 257513268]

約数ペア:

[(1, 257513268), (2, 128756634), (3, 85837756), (4, 64378317), (6, 42918878), (12, 21459439), (163, 1579836), (173, 1488516), (326, 789918), (346, 744258), (489, 526612), (519, 496172), (652, 394959), (692, 372129), (761, 338388), (978, 263306), (1038, 248086), (1522, 169194), (1956, 131653), (2076, 124043), (2283, 112796), (3044, 84597), (4566, 56398), (9132, 28199)]