78131248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{375631}}^1$

素因数の和:375652

約数の個数: 20

約数和(自身を含む): 163024288

約数和(自身を除く): 84893040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 375631, 751262, 1502524, 3005048, 4883203, 6010096, 9766406, 19532812, 39065624, 78131248]

約数ペア:

[(1, 78131248), (2, 39065624), (4, 19532812), (8, 9766406), (13, 6010096), (16, 4883203), (26, 3005048), (52, 1502524), (104, 751262), (208, 375631)]