64738505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21191}}^1$

素因数の和:21256

約数の個数: 16

約数和(自身を含む): 85446144

約数和(自身を除く): 20707639

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 21191, 105955, 275483, 995977, 1377415, 4979885, 12947701, 64738505]

約数ペア:

[(1, 64738505), (5, 12947701), (13, 4979885), (47, 1377415), (65, 995977), (235, 275483), (611, 105955), (3055, 21191)]