161889215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1699}}^1$

素因数の和:1799

約数の個数: 32

約数和(自身を含む): 220320000

約数和(自身を除く): 58430785

約数列:

[1, 5, 17, 19, 59, 85, 95, 295, 323, 1003, 1121, 1615, 1699, 5015, 5605, 8495, 19057, 28883, 32281, 95285, 100241, 144415, 161405, 501205, 548777, 1704097, 1904579, 2743885, 8520485, 9522895, 32377843, 161889215]

約数ペア:

[(1, 161889215), (5, 32377843), (17, 9522895), (19, 8520485), (59, 2743885), (85, 1904579), (95, 1704097), (295, 548777), (323, 501205), (1003, 161405), (1121, 144415), (1615, 100241), (1699, 95285), (5015, 32281), (5605, 28883), (8495, 19057)]