81078228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2659}}^1$

素因数の和:2698

約数の個数: 108

約数和(自身を含む): 257551840

約数和(自身を除く): 176473612

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, 121, 126, 132, 154, 198, 231, 242, 252, 308, 363, 396, 462, 484, 693, 726, 847, 924, 1089, 1386, 1452, 1694, 2178, 2541, 2659, 2772, 3388, 4356, 5082, 5318, 7623, 7977, 10164, 10636, 15246, 15954, 18613, 23931, 29249, 30492, 31908, 37226, 47862, 55839, 58498, 74452, 87747, 95724, 111678, 116996, 167517, 175494, 204743, 223356, 263241, 321739, 335034, 350988, 409486, 526482, 614229, 643478, 670068, 818972, 965217, 1052964, 1228458, 1286956, 1842687, 1930434, 2252173, 2456916, 2895651, 3685374, 3860868, 4504346, 5791302, 6756519, 7370748, 9008692, 11582604, 13513038, 20269557, 27026076, 40539114, 81078228]

約数ペア:

[(1, 81078228), (2, 40539114), (3, 27026076), (4, 20269557), (6, 13513038), (7, 11582604), (9, 9008692), (11, 7370748), (12, 6756519), (14, 5791302), (18, 4504346), (21, 3860868), (22, 3685374), (28, 2895651), (33, 2456916), (36, 2252173), (42, 1930434), (44, 1842687), (63, 1286956), (66, 1228458), (77, 1052964), (84, 965217), (99, 818972), (121, 670068), (126, 643478), (132, 614229), (154, 526482), (198, 409486), (231, 350988), (242, 335034), (252, 321739), (308, 263241), (363, 223356), (396, 204743), (462, 175494), (484, 167517), (693, 116996), (726, 111678), (847, 95724), (924, 87747), (1089, 74452), (1386, 58498), (1452, 55839), (1694, 47862), (2178, 37226), (2541, 31908), (2659, 30492), (2772, 29249), (3388, 23931), (4356, 18613), (5082, 15954), (5318, 15246), (7623, 10636), (7977, 10164)]