77820176

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 179809920

約数和(自身を除く): 101989744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 89, 112, 148, 178, 211, 259, 296, 356, 422, 518, 592, 623, 712, 844, 1036, 1246, 1424, 1477, 1688, 2072, 2492, 2954, 3293, 3376, 4144, 4984, 5908, 6586, 7807, 9968, 11816, 13172, 15614, 18779, 23051, 23632, 26344, 31228, 37558, 46102, 52688, 54649, 62456, 75116, 92204, 109298, 124912, 131453, 150232, 184408, 218596, 262906, 300464, 368816, 437192, 525812, 694823, 874384, 1051624, 1389646, 2103248, 2779292, 4863761, 5558584, 9727522, 11117168, 19455044, 38910088, 77820176]

約数ペア:

[(1, 77820176), (2, 38910088), (4, 19455044), (7, 11117168), (8, 9727522), (14, 5558584), (16, 4863761), (28, 2779292), (37, 2103248), (56, 1389646), (74, 1051624), (89, 874384), (112, 694823), (148, 525812), (178, 437192), (211, 368816), (259, 300464), (296, 262906), (356, 218596), (422, 184408), (518, 150232), (592, 131453), (623, 124912), (712, 109298), (844, 92204), (1036, 75116), (1246, 62456), (1424, 54649), (1477, 52688), (1688, 46102), (2072, 37558), (2492, 31228), (2954, 26344), (3293, 23632), (3376, 23051), (4144, 18779), (4984, 15614), (5908, 13172), (6586, 11816), (7807, 9968)]