347420190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{890821}}^1$

素因数の和:890844

約数の個数: 32

約数和(自身を含む): 897948576

約数和(自身を除く): 550528386

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 890821, 1781642, 2672463, 4454105, 5344926, 8908210, 11580673, 13362315, 23161346, 26724630, 34742019, 57903365, 69484038, 115806730, 173710095, 347420190]

約数ペア:

[(1, 347420190), (2, 173710095), (3, 115806730), (5, 69484038), (6, 57903365), (10, 34742019), (13, 26724630), (15, 23161346), (26, 13362315), (30, 11580673), (39, 8908210), (65, 5344926), (78, 4454105), (130, 2672463), (195, 1781642), (390, 890821)]