64763216

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 154656768

約数和(自身を除く): 89893552

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 56, 62, 92, 112, 124, 161, 184, 217, 248, 322, 368, 434, 496, 644, 713, 811, 868, 1288, 1426, 1622, 1736, 2576, 2852, 3244, 3472, 4991, 5677, 5704, 6488, 9982, 11354, 11408, 12976, 18653, 19964, 22708, 25141, 37306, 39928, 45416, 50282, 74612, 79856, 90832, 100564, 130571, 149224, 175987, 201128, 261142, 298448, 351974, 402256, 522284, 578243, 703948, 1044568, 1156486, 1407896, 2089136, 2312972, 2815792, 4047701, 4625944, 8095402, 9251888, 16190804, 32381608, 64763216]

約数ペア:

[(1, 64763216), (2, 32381608), (4, 16190804), (7, 9251888), (8, 8095402), (14, 4625944), (16, 4047701), (23, 2815792), (28, 2312972), (31, 2089136), (46, 1407896), (56, 1156486), (62, 1044568), (92, 703948), (112, 578243), (124, 522284), (161, 402256), (184, 351974), (217, 298448), (248, 261142), (322, 201128), (368, 175987), (434, 149224), (496, 130571), (644, 100564), (713, 90832), (811, 79856), (868, 74612), (1288, 50282), (1426, 45416), (1622, 39928), (1736, 37306), (2576, 25141), (2852, 22708), (3244, 19964), (3472, 18653), (4991, 12976), (5677, 11408), (5704, 11354), (6488, 9982)]