81311412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3965

約数の個数: 96

約数和(自身を含む): 245862400

約数和(自身を除く): 164550988

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 988, 1092, 1482, 1596, 1729, 2964, 3458, 3919, 5187, 6916, 7838, 10374, 11757, 15676, 20748, 23514, 27433, 47028, 50947, 54866, 74461, 82299, 101894, 109732, 148922, 152841, 164598, 203788, 223383, 297844, 305682, 329196, 356629, 446766, 521227, 611364, 713258, 893532, 967993, 1042454, 1069887, 1426516, 1563681, 1935986, 2084908, 2139774, 2903979, 3127362, 3871972, 4279548, 5807958, 6254724, 6775951, 11615916, 13551902, 20327853, 27103804, 40655706, 81311412]

約数ペア:

[(1, 81311412), (2, 40655706), (3, 27103804), (4, 20327853), (6, 13551902), (7, 11615916), (12, 6775951), (13, 6254724), (14, 5807958), (19, 4279548), (21, 3871972), (26, 3127362), (28, 2903979), (38, 2139774), (39, 2084908), (42, 1935986), (52, 1563681), (57, 1426516), (76, 1069887), (78, 1042454), (84, 967993), (91, 893532), (114, 713258), (133, 611364), (156, 521227), (182, 446766), (228, 356629), (247, 329196), (266, 305682), (273, 297844), (364, 223383), (399, 203788), (494, 164598), (532, 152841), (546, 148922), (741, 109732), (798, 101894), (988, 82299), (1092, 74461), (1482, 54866), (1596, 50947), (1729, 47028), (2964, 27433), (3458, 23514), (3919, 20748), (5187, 15676), (6916, 11757), (7838, 10374)]