73989136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{355717}}^1$

素因数の和:355738

約数の個数: 20

約数和(自身を含む): 154381612

約数和(自身を除く): 80392476

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 355717, 711434, 1422868, 2845736, 4624321, 5691472, 9248642, 18497284, 36994568, 73989136]

約数ペア:

[(1, 73989136), (2, 36994568), (4, 18497284), (8, 9248642), (13, 5691472), (16, 4624321), (26, 2845736), (52, 1422868), (104, 711434), (208, 355717)]