81643716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29453}}^1$

素因数の和:29481

約数の個数: 72

約数和(自身を含む): 257310144

約数和(自身を除く): 175666428

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 29453, 58906, 88359, 117812, 176718, 206171, 265077, 323983, 353436, 412342, 530154, 618513, 647966, 824684, 971949, 1060308, 1237026, 1295932, 1855539, 1943898, 2267881, 2474052, 2915847, 3711078, 3887796, 4535762, 5831694, 6803643, 7422156, 9071524, 11663388, 13607286, 20410929, 27214572, 40821858, 81643716]

約数ペア:

[(1, 81643716), (2, 40821858), (3, 27214572), (4, 20410929), (6, 13607286), (7, 11663388), (9, 9071524), (11, 7422156), (12, 6803643), (14, 5831694), (18, 4535762), (21, 3887796), (22, 3711078), (28, 2915847), (33, 2474052), (36, 2267881), (42, 1943898), (44, 1855539), (63, 1295932), (66, 1237026), (77, 1060308), (84, 971949), (99, 824684), (126, 647966), (132, 618513), (154, 530154), (198, 412342), (231, 353436), (252, 323983), (308, 265077), (396, 206171), (462, 176718), (693, 117812), (924, 88359), (1386, 58906), (2772, 29453)]