81641352

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 237404160

約数和(自身を除く): 155762808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 31, 39, 46, 52, 62, 69, 78, 92, 93, 104, 124, 138, 156, 184, 186, 248, 276, 299, 312, 367, 372, 403, 552, 598, 713, 734, 744, 806, 897, 1101, 1196, 1209, 1426, 1468, 1612, 1794, 2139, 2202, 2392, 2418, 2852, 2936, 3224, 3588, 4278, 4404, 4771, 4836, 5704, 7176, 8441, 8556, 8808, 9269, 9542, 9672, 11377, 14313, 16882, 17112, 18538, 19084, 22754, 25323, 27807, 28626, 33764, 34131, 37076, 38168, 45508, 50646, 55614, 57252, 67528, 68262, 74152, 91016, 101292, 109733, 111228, 114504, 136524, 147901, 202584, 219466, 222456, 261671, 273048, 295802, 329199, 438932, 443703, 523342, 591604, 658398, 785013, 877864, 887406, 1046684, 1183208, 1316796, 1570026, 1774812, 2093368, 2633592, 3140052, 3401723, 3549624, 6280104, 6803446, 10205169, 13606892, 20410338, 27213784, 40820676, 81641352]

約数ペア:

[(1, 81641352), (2, 40820676), (3, 27213784), (4, 20410338), (6, 13606892), (8, 10205169), (12, 6803446), (13, 6280104), (23, 3549624), (24, 3401723), (26, 3140052), (31, 2633592), (39, 2093368), (46, 1774812), (52, 1570026), (62, 1316796), (69, 1183208), (78, 1046684), (92, 887406), (93, 877864), (104, 785013), (124, 658398), (138, 591604), (156, 523342), (184, 443703), (186, 438932), (248, 329199), (276, 295802), (299, 273048), (312, 261671), (367, 222456), (372, 219466), (403, 202584), (552, 147901), (598, 136524), (713, 114504), (734, 111228), (744, 109733), (806, 101292), (897, 91016), (1101, 74152), (1196, 68262), (1209, 67528), (1426, 57252), (1468, 55614), (1612, 50646), (1794, 45508), (2139, 38168), (2202, 37076), (2392, 34131), (2418, 33764), (2852, 28626), (2936, 27807), (3224, 25323), (3588, 22754), (4278, 19084), (4404, 18538), (4771, 17112), (4836, 16882), (5704, 14313), (7176, 11377), (8441, 9672), (8556, 9542), (8808, 9269)]