1963009775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{13999}}^1$

素因数の和:14159

約数の個数: 24

約数和(自身を含む): 2499840000

約数和(自身を除く): 536830225

約数列:

[1, 5, 25, 71, 79, 355, 395, 1775, 1975, 5609, 13999, 28045, 69995, 140225, 349975, 993929, 1105921, 4969645, 5529605, 24848225, 27648025, 78520391, 392601955, 1963009775]

約数ペア:

[(1, 1963009775), (5, 392601955), (25, 78520391), (71, 27648025), (79, 24848225), (355, 5529605), (395, 4969645), (1775, 1105921), (1975, 993929), (5609, 349975), (13999, 140225), (28045, 69995)]