1661539825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{40013}}^1$

素因数の和:40185

約数の個数: 24

約数和(自身を含む): 2262551616

約数和(自身を除く): 601011791

約数列:

[1, 5, 11, 25, 55, 151, 275, 755, 1661, 3775, 8305, 40013, 41525, 200065, 440143, 1000325, 2200715, 6041963, 11003575, 30209815, 66461593, 151049075, 332307965, 1661539825]

約数ペア:

[(1, 1661539825), (5, 332307965), (11, 151049075), (25, 66461593), (55, 30209815), (151, 11003575), (275, 6041963), (755, 2200715), (1661, 1000325), (3775, 440143), (8305, 200065), (40013, 41525)]