209366930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{12821}}^1$

素因数の和:12922

約数の個数: 32

約数和(自身を含む): 398815488

約数和(自身を除く): 189448558

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 710, 1633, 3266, 8165, 12821, 16330, 25642, 64105, 128210, 294883, 589766, 910291, 1474415, 1820582, 2948830, 4551455, 9102910, 20936693, 41873386, 104683465, 209366930]

約数ペア:

[(1, 209366930), (2, 104683465), (5, 41873386), (10, 20936693), (23, 9102910), (46, 4551455), (71, 2948830), (115, 1820582), (142, 1474415), (230, 910291), (355, 589766), (710, 294883), (1633, 128210), (3266, 64105), (8165, 25642), (12821, 16330)]