161779716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2441}}^1$

素因数の和:2721

約数の個数: 72

約数和(自身を含む): 469332864

約数和(自身を除く): 307553148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 263, 526, 789, 1052, 1578, 1841, 2367, 2441, 3156, 3682, 4734, 4882, 5523, 7323, 7364, 9468, 9764, 11046, 14646, 16569, 17087, 21969, 22092, 29292, 33138, 34174, 43938, 51261, 66276, 68348, 87876, 102522, 153783, 205044, 307566, 615132, 641983, 1283966, 1925949, 2567932, 3851898, 4493881, 5777847, 7703796, 8987762, 11555694, 13481643, 17975524, 23111388, 26963286, 40444929, 53926572, 80889858, 161779716]

約数ペア:

[(1, 161779716), (2, 80889858), (3, 53926572), (4, 40444929), (6, 26963286), (7, 23111388), (9, 17975524), (12, 13481643), (14, 11555694), (18, 8987762), (21, 7703796), (28, 5777847), (36, 4493881), (42, 3851898), (63, 2567932), (84, 1925949), (126, 1283966), (252, 641983), (263, 615132), (526, 307566), (789, 205044), (1052, 153783), (1578, 102522), (1841, 87876), (2367, 68348), (2441, 66276), (3156, 51261), (3682, 43938), (4734, 34174), (4882, 33138), (5523, 29292), (7323, 22092), (7364, 21969), (9468, 17087), (9764, 16569), (11046, 14646)]