2011719890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{96857}}^1$

素因数の和:96962

約数の個数: 32

約数和(自身を含む): 3793734144

約数和(自身を除く): 1782014254

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 335, 670, 2077, 4154, 10385, 20770, 96857, 193714, 484285, 968570, 3002567, 6005134, 6489419, 12978838, 15012835, 30025670, 32447095, 64894190, 201171989, 402343978, 1005859945, 2011719890]

約数ペア:

[(1, 2011719890), (2, 1005859945), (5, 402343978), (10, 201171989), (31, 64894190), (62, 32447095), (67, 30025670), (134, 15012835), (155, 12978838), (310, 6489419), (335, 6005134), (670, 3002567), (2077, 968570), (4154, 484285), (10385, 193714), (20770, 96857)]