81964465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{48073}}^1$

素因数の和:48120

約数の個数: 16

約数和(自身を含む): 110762496

約数和(自身を除く): 28798031

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 48073, 240365, 528803, 1490263, 2644015, 7451315, 16392893, 81964465]

約数ペア:

[(1, 81964465), (5, 16392893), (11, 7451315), (31, 2644015), (55, 1490263), (155, 528803), (341, 240365), (1705, 48073)]