161989848

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{20269}}^1$

素因数の和:20321

約数の個数: 64

約数和(自身を含む): 462156000

約数和(自身を除く): 300166152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2664, 3996, 7992, 20269, 40538, 60807, 81076, 121614, 162152, 182421, 243228, 364842, 486456, 547263, 729684, 749953, 1094526, 1459368, 1499906, 2189052, 2249859, 2999812, 4378104, 4499718, 5999624, 6749577, 8999436, 13499154, 17998872, 20248731, 26998308, 40497462, 53996616, 80994924, 161989848]

約数ペア:

[(1, 161989848), (2, 80994924), (3, 53996616), (4, 40497462), (6, 26998308), (8, 20248731), (9, 17998872), (12, 13499154), (18, 8999436), (24, 6749577), (27, 5999624), (36, 4499718), (37, 4378104), (54, 2999812), (72, 2249859), (74, 2189052), (108, 1499906), (111, 1459368), (148, 1094526), (216, 749953), (222, 729684), (296, 547263), (333, 486456), (444, 364842), (666, 243228), (888, 182421), (999, 162152), (1332, 121614), (1998, 81076), (2664, 60807), (3996, 40538), (7992, 20269)]