1388394448

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1569

約数の個数: 120

約数和(自身を含む): 3387961728

約数和(自身を除く): 1999567280

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 56, 76, 92, 112, 133, 152, 161, 184, 266, 304, 322, 361, 368, 437, 532, 644, 722, 874, 1064, 1288, 1444, 1493, 1748, 2128, 2527, 2576, 2888, 2986, 3059, 3496, 5054, 5776, 5972, 6118, 6992, 8303, 10108, 10451, 11944, 12236, 16606, 20216, 20902, 23888, 24472, 28367, 33212, 34339, 40432, 41804, 48944, 56734, 58121, 66424, 68678, 83608, 113468, 116242, 132848, 137356, 167216, 198569, 226936, 232484, 240373, 274712, 397138, 453872, 464968, 480746, 538973, 549424, 652441, 794276, 929936, 961492, 1077946, 1304882, 1588552, 1922984, 2155892, 2609764, 3177104, 3772811, 3845968, 4311784, 4567087, 5219528, 7545622, 8623568, 9134174, 10439056, 12396379, 15091244, 18268348, 24792758, 30182488, 36536696, 49585516, 60364976, 73073392, 86774653, 99171032, 173549306, 198342064, 347098612, 694197224, 1388394448]

約数ペア:

[(1, 1388394448), (2, 694197224), (4, 347098612), (7, 198342064), (8, 173549306), (14, 99171032), (16, 86774653), (19, 73073392), (23, 60364976), (28, 49585516), (38, 36536696), (46, 30182488), (56, 24792758), (76, 18268348), (92, 15091244), (112, 12396379), (133, 10439056), (152, 9134174), (161, 8623568), (184, 7545622), (266, 5219528), (304, 4567087), (322, 4311784), (361, 3845968), (368, 3772811), (437, 3177104), (532, 2609764), (644, 2155892), (722, 1922984), (874, 1588552), (1064, 1304882), (1288, 1077946), (1444, 961492), (1493, 929936), (1748, 794276), (2128, 652441), (2527, 549424), (2576, 538973), (2888, 480746), (2986, 464968), (3059, 453872), (3496, 397138), (5054, 274712), (5776, 240373), (5972, 232484), (6118, 226936), (6992, 198569), (8303, 167216), (10108, 137356), (10451, 132848), (11944, 116242), (12236, 113468), (16606, 83608), (20216, 68678), (20902, 66424), (23888, 58121), (24472, 56734), (28367, 48944), (33212, 41804), (34339, 40432)]