128581656

素因数分解:

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

素因数の和:12624

約数の個数: 64

約数和(自身を含む): 373428480

約数和(自身を除く): 244846824

約数列:

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

約数ペア:

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