81443245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 109734912

約数和(自身を除く): 28291667

約数列:

[1, 5, 13, 47, 53, 65, 235, 265, 503, 611, 689, 2491, 2515, 3055, 3445, 6539, 12455, 23641, 26659, 32383, 32695, 118205, 133295, 161915, 307333, 346567, 1252973, 1536665, 1732835, 6264865, 16288649, 81443245]

約数ペア:

[(1, 81443245), (5, 16288649), (13, 6264865), (47, 1732835), (53, 1536665), (65, 1252973), (235, 346567), (265, 307333), (503, 161915), (611, 133295), (689, 118205), (2491, 32695), (2515, 32383), (3055, 26659), (3445, 23641), (6539, 12455)]