189257405

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 239212512

約数和(自身を除く): 49955107

約数列:

[1, 5, 37, 43, 185, 215, 643, 1369, 1591, 3215, 6845, 7955, 23791, 27649, 58867, 118955, 138245, 294335, 880267, 1023013, 4401335, 5115065, 37851481, 189257405]

約数ペア:

[(1, 189257405), (5, 37851481), (37, 5115065), (43, 4401335), (185, 1023013), (215, 880267), (643, 294335), (1369, 138245), (1591, 118955), (3215, 58867), (6845, 27649), (7955, 23791)]