212451288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20731}}^1$

素因数の和:20808

約数の個数: 64

約数和(自身を含む): 616984320

約数和(自身を除く): 404533032

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, 20731, 41462, 62193, 82924, 124386, 145117, 165848, 248772, 290234, 435351, 497544, 580468, 870702, 1160936, 1264591, 1741404, 2529182, 3482808, 3793773, 5058364, 7587546, 8852137, 10116728, 15175092, 17704274, 26556411, 30350184, 35408548, 53112822, 70817096, 106225644, 212451288]

約数ペア:

[(1, 212451288), (2, 106225644), (3, 70817096), (4, 53112822), (6, 35408548), (7, 30350184), (8, 26556411), (12, 17704274), (14, 15175092), (21, 10116728), (24, 8852137), (28, 7587546), (42, 5058364), (56, 3793773), (61, 3482808), (84, 2529182), (122, 1741404), (168, 1264591), (183, 1160936), (244, 870702), (366, 580468), (427, 497544), (488, 435351), (732, 290234), (854, 248772), (1281, 165848), (1464, 145117), (1708, 124386), (2562, 82924), (3416, 62193), (5124, 41462), (10248, 20731)]