257163312

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12547}}^1$

素因数の和:12626

約数の個数: 80

約数和(自身を含む): 771752192

約数和(自身を除く): 514588880

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 183, 244, 336, 366, 427, 488, 732, 854, 976, 1281, 1464, 1708, 2562, 2928, 3416, 5124, 6832, 10248, 12547, 20496, 25094, 37641, 50188, 75282, 87829, 100376, 150564, 175658, 200752, 263487, 301128, 351316, 526974, 602256, 702632, 765367, 1053948, 1405264, 1530734, 2107896, 2296101, 3061468, 4215792, 4592202, 5357569, 6122936, 9184404, 10715138, 12245872, 16072707, 18368808, 21430276, 32145414, 36737616, 42860552, 64290828, 85721104, 128581656, 257163312]

約数ペア:

[(1, 257163312), (2, 128581656), (3, 85721104), (4, 64290828), (6, 42860552), (7, 36737616), (8, 32145414), (12, 21430276), (14, 18368808), (16, 16072707), (21, 12245872), (24, 10715138), (28, 9184404), (42, 6122936), (48, 5357569), (56, 4592202), (61, 4215792), (84, 3061468), (112, 2296101), (122, 2107896), (168, 1530734), (183, 1405264), (244, 1053948), (336, 765367), (366, 702632), (427, 602256), (488, 526974), (732, 351316), (854, 301128), (976, 263487), (1281, 200752), (1464, 175658), (1708, 150564), (2562, 100376), (2928, 87829), (3416, 75282), (5124, 50188), (6832, 37641), (10248, 25094), (12547, 20496)]