1608388615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{1601}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 2092801536

約数和(自身を除く): 484412921

約数列:

[1, 5, 17, 53, 85, 223, 265, 901, 1115, 1601, 3791, 4505, 8005, 11819, 18955, 27217, 59095, 84853, 136085, 200923, 357023, 424265, 1004615, 1442501, 1785115, 6069391, 7212505, 18922219, 30346955, 94611095, 321677723, 1608388615]

約数ペア:

[(1, 1608388615), (5, 321677723), (17, 94611095), (53, 30346955), (85, 18922219), (223, 7212505), (265, 6069391), (901, 1785115), (1115, 1442501), (1601, 1004615), (3791, 424265), (4505, 357023), (8005, 200923), (11819, 136085), (18955, 84853), (27217, 59095)]