81499835

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 107205120

約数和(自身を除く): 25705285

約数列:

[1, 5, 19, 43, 71, 95, 215, 281, 355, 817, 1349, 1405, 3053, 4085, 5339, 6745, 12083, 15265, 19951, 26695, 58007, 60415, 99755, 229577, 290035, 379069, 857893, 1147885, 1895345, 4289465, 16299967, 81499835]

約数ペア:

[(1, 81499835), (5, 16299967), (19, 4289465), (43, 1895345), (71, 1147885), (95, 857893), (215, 379069), (281, 290035), (355, 229577), (817, 99755), (1349, 60415), (1405, 58007), (3053, 26695), (4085, 19951), (5339, 15265), (6745, 12083)]