81751384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 189734400

約数和(自身を除く): 107983016

約数列:

[1, 2, 4, 8, 11, 13, 22, 23, 26, 44, 46, 52, 88, 92, 104, 143, 169, 184, 239, 253, 286, 299, 338, 478, 506, 572, 598, 676, 956, 1012, 1144, 1196, 1352, 1859, 1912, 2024, 2392, 2629, 3107, 3289, 3718, 3887, 5258, 5497, 6214, 6578, 7436, 7774, 10516, 10994, 12428, 13156, 14872, 15548, 21032, 21988, 24856, 26312, 31096, 34177, 40391, 42757, 43976, 60467, 68354, 71461, 80782, 85514, 120934, 136708, 142922, 161564, 171028, 241868, 273416, 285844, 323128, 342056, 444301, 483736, 571688, 786071, 888602, 928993, 1572142, 1777204, 1857986, 3144284, 3554408, 3715972, 6288568, 7431944, 10218923, 20437846, 40875692, 81751384]

約数ペア:

[(1, 81751384), (2, 40875692), (4, 20437846), (8, 10218923), (11, 7431944), (13, 6288568), (22, 3715972), (23, 3554408), (26, 3144284), (44, 1857986), (46, 1777204), (52, 1572142), (88, 928993), (92, 888602), (104, 786071), (143, 571688), (169, 483736), (184, 444301), (239, 342056), (253, 323128), (286, 285844), (299, 273416), (338, 241868), (478, 171028), (506, 161564), (572, 142922), (598, 136708), (676, 120934), (956, 85514), (1012, 80782), (1144, 71461), (1196, 68354), (1352, 60467), (1859, 43976), (1912, 42757), (2024, 40391), (2392, 34177), (2629, 31096), (3107, 26312), (3289, 24856), (3718, 21988), (3887, 21032), (5258, 15548), (5497, 14872), (6214, 13156), (6578, 12428), (7436, 10994), (7774, 10516)]