217408212

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{10651}}^1$

素因数の和:10680

約数の個数: 84

約数和(自身を含む): 651987616

約数和(自身を除く): 434579404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1134, 1458, 1701, 2268, 2916, 3402, 5103, 6804, 10206, 10651, 20412, 21302, 31953, 42604, 63906, 74557, 95859, 127812, 149114, 191718, 223671, 287577, 298228, 383436, 447342, 575154, 671013, 862731, 894684, 1150308, 1342026, 1725462, 2013039, 2588193, 2684052, 3450924, 4026078, 5176386, 6039117, 7764579, 8052156, 10352772, 12078234, 15529158, 18117351, 24156468, 31058316, 36234702, 54352053, 72469404, 108704106, 217408212]

約数ペア:

[(1, 217408212), (2, 108704106), (3, 72469404), (4, 54352053), (6, 36234702), (7, 31058316), (9, 24156468), (12, 18117351), (14, 15529158), (18, 12078234), (21, 10352772), (27, 8052156), (28, 7764579), (36, 6039117), (42, 5176386), (54, 4026078), (63, 3450924), (81, 2684052), (84, 2588193), (108, 2013039), (126, 1725462), (162, 1342026), (189, 1150308), (243, 894684), (252, 862731), (324, 671013), (378, 575154), (486, 447342), (567, 383436), (729, 298228), (756, 287577), (972, 223671), (1134, 191718), (1458, 149114), (1701, 127812), (2268, 95859), (2916, 74557), (3402, 63906), (5103, 42604), (6804, 31953), (10206, 21302), (10651, 20412)]