161719052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 317792160

約数和(自身を除く): 156073108

約数列:

[1, 2, 4, 11, 22, 44, 61, 89, 122, 178, 244, 356, 671, 677, 979, 1342, 1354, 1958, 2684, 2708, 3916, 5429, 7447, 10858, 14894, 21716, 29788, 41297, 59719, 60253, 82594, 119438, 120506, 165188, 238876, 241012, 454267, 662783, 908534, 1325566, 1817068, 2651132, 3675433, 7350866, 14701732, 40429763, 80859526, 161719052]

約数ペア:

[(1, 161719052), (2, 80859526), (4, 40429763), (11, 14701732), (22, 7350866), (44, 3675433), (61, 2651132), (89, 1817068), (122, 1325566), (178, 908534), (244, 662783), (356, 454267), (671, 241012), (677, 238876), (979, 165188), (1342, 120506), (1354, 119438), (1958, 82594), (2684, 60253), (2708, 59719), (3916, 41297), (5429, 29788), (7447, 21716), (10858, 14894)]