128223355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{68023}}^1$

素因数の和:68070

約数の個数: 16

約数和(自身を含む): 171420480

約数和(自身を除く): 43197125

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 68023, 340115, 884299, 1972667, 4421495, 9863335, 25644671, 128223355]

約数ペア:

[(1, 128223355), (5, 25644671), (13, 9863335), (29, 4421495), (65, 1972667), (145, 884299), (377, 340115), (1885, 68023)]