81058516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 190294272

約数和(自身を除く): 109235756

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 113, 119, 137, 154, 187, 226, 238, 274, 308, 374, 452, 476, 548, 748, 791, 959, 1243, 1309, 1507, 1582, 1918, 1921, 2329, 2486, 2618, 3014, 3164, 3836, 3842, 4658, 4972, 5236, 6028, 7684, 8701, 9316, 10549, 13447, 15481, 16303, 17402, 21098, 21131, 25619, 26894, 30962, 32606, 34804, 42196, 42262, 51238, 53788, 61924, 65212, 84524, 102476, 108367, 147917, 170291, 179333, 216734, 263177, 295834, 340582, 358666, 433468, 526354, 591668, 681164, 717332, 1052708, 1192037, 1842239, 2384074, 2894947, 3684478, 4768148, 5789894, 7368956, 11579788, 20264629, 40529258, 81058516]

約数ペア:

[(1, 81058516), (2, 40529258), (4, 20264629), (7, 11579788), (11, 7368956), (14, 5789894), (17, 4768148), (22, 3684478), (28, 2894947), (34, 2384074), (44, 1842239), (68, 1192037), (77, 1052708), (113, 717332), (119, 681164), (137, 591668), (154, 526354), (187, 433468), (226, 358666), (238, 340582), (274, 295834), (308, 263177), (374, 216734), (452, 179333), (476, 170291), (548, 147917), (748, 108367), (791, 102476), (959, 84524), (1243, 65212), (1309, 61924), (1507, 53788), (1582, 51238), (1918, 42262), (1921, 42196), (2329, 34804), (2486, 32606), (2618, 30962), (3014, 26894), (3164, 25619), (3836, 21131), (3842, 21098), (4658, 17402), (4972, 16303), (5236, 15481), (6028, 13447), (7684, 10549), (8701, 9316)]