81648076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{17921}}^1$

素因数の和:18009

約数の個数: 24

約数和(自身を含む): 153555696

約数和(自身を除く): 71907620

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4556, 17921, 35842, 71684, 304657, 609314, 1200707, 1218628, 2401414, 4802828, 20412019, 40824038, 81648076]

約数ペア:

[(1, 81648076), (2, 40824038), (4, 20412019), (17, 4802828), (34, 2401414), (67, 1218628), (68, 1200707), (134, 609314), (268, 304657), (1139, 71684), (2278, 35842), (4556, 17921)]