81826864

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 197197200

約数和(自身を除く): 115370336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 59, 61, 98, 112, 116, 118, 122, 196, 203, 232, 236, 244, 392, 406, 413, 427, 464, 472, 488, 784, 812, 826, 854, 944, 976, 1421, 1624, 1652, 1708, 1711, 1769, 2842, 2891, 2989, 3248, 3304, 3416, 3422, 3538, 3599, 5684, 5782, 5978, 6608, 6832, 6844, 7076, 7198, 11368, 11564, 11956, 11977, 12383, 13688, 14152, 14396, 22736, 23128, 23912, 23954, 24766, 25193, 27376, 28304, 28792, 46256, 47824, 47908, 49532, 50386, 57584, 83839, 86681, 95816, 99064, 100772, 104371, 167678, 173362, 176351, 191632, 198128, 201544, 208742, 335356, 346724, 352702, 403088, 417484, 670712, 693448, 705404, 730597, 834968, 1341424, 1386896, 1410808, 1461194, 1669936, 2821616, 2922388, 5114179, 5844776, 10228358, 11689552, 20456716, 40913432, 81826864]

約数ペア:

[(1, 81826864), (2, 40913432), (4, 20456716), (7, 11689552), (8, 10228358), (14, 5844776), (16, 5114179), (28, 2922388), (29, 2821616), (49, 1669936), (56, 1461194), (58, 1410808), (59, 1386896), (61, 1341424), (98, 834968), (112, 730597), (116, 705404), (118, 693448), (122, 670712), (196, 417484), (203, 403088), (232, 352702), (236, 346724), (244, 335356), (392, 208742), (406, 201544), (413, 198128), (427, 191632), (464, 176351), (472, 173362), (488, 167678), (784, 104371), (812, 100772), (826, 99064), (854, 95816), (944, 86681), (976, 83839), (1421, 57584), (1624, 50386), (1652, 49532), (1708, 47908), (1711, 47824), (1769, 46256), (2842, 28792), (2891, 28304), (2989, 27376), (3248, 25193), (3304, 24766), (3416, 23954), (3422, 23912), (3538, 23128), (3599, 22736), (5684, 14396), (5782, 14152), (5978, 13688), (6608, 12383), (6832, 11977), (6844, 11956), (7076, 11564), (7198, 11368)]