7881770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3230

約数の個数: 32

約数和(自身を含む): 16087680

約数和(自身を除く): 8205910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 3191, 6382, 15955, 31910, 41483, 60629, 82966, 121258, 207415, 303145, 414830, 606290, 788177, 1576354, 3940885, 7881770]

約数ペア:

[(1, 7881770), (2, 3940885), (5, 1576354), (10, 788177), (13, 606290), (19, 414830), (26, 303145), (38, 207415), (65, 121258), (95, 82966), (130, 60629), (190, 41483), (247, 31910), (494, 15955), (1235, 6382), (2470, 3191)]