80066668

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 168116256

約数和(自身を除く): 88049588

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 68, 74, 121, 148, 187, 242, 263, 374, 407, 484, 526, 629, 748, 814, 1052, 1258, 1628, 2057, 2516, 2893, 4114, 4471, 4477, 5786, 6919, 8228, 8942, 8954, 9731, 11572, 13838, 17884, 17908, 19462, 27676, 31823, 38924, 49181, 63646, 76109, 98362, 107041, 127292, 152218, 165427, 196724, 214082, 304436, 330854, 428164, 540991, 661708, 1081982, 1177451, 1819697, 2163964, 2354902, 3639394, 4709804, 7278788, 20016667, 40033334, 80066668]

約数ペア:

[(1, 80066668), (2, 40033334), (4, 20016667), (11, 7278788), (17, 4709804), (22, 3639394), (34, 2354902), (37, 2163964), (44, 1819697), (68, 1177451), (74, 1081982), (121, 661708), (148, 540991), (187, 428164), (242, 330854), (263, 304436), (374, 214082), (407, 196724), (484, 165427), (526, 152218), (629, 127292), (748, 107041), (814, 98362), (1052, 76109), (1258, 63646), (1628, 49181), (2057, 38924), (2516, 31823), (2893, 27676), (4114, 19462), (4471, 17908), (4477, 17884), (5786, 13838), (6919, 11572), (8228, 9731), (8942, 8954)]