128324144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{616943}}^1$

素因数の和:616964

約数の個数: 20

約数和(自身を含む): 267753696

約数和(自身を除く): 139429552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 616943, 1233886, 2467772, 4935544, 8020259, 9871088, 16040518, 32081036, 64162072, 128324144]

約数ペア:

[(1, 128324144), (2, 64162072), (4, 32081036), (8, 16040518), (13, 9871088), (16, 8020259), (26, 4935544), (52, 2467772), (104, 1233886), (208, 616943)]