68890330

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{39821}}^1$

素因数の和:40001

約数の個数: 16

約数和(自身を含む): 124722504

約数和(自身を除く): 55832174

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 39821, 79642, 199105, 398210, 6889033, 13778066, 34445165, 68890330]

約数ペア:

[(1, 68890330), (2, 34445165), (5, 13778066), (10, 6889033), (173, 398210), (346, 199105), (865, 79642), (1730, 39821)]