998402

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:241

約数の個数: 16

約数和(自身を含む): 1555200

約数和(自身を除く): 556798

約数列:

[1, 2, 71, 79, 89, 142, 158, 178, 5609, 6319, 7031, 11218, 12638, 14062, 499201, 998402]

約数ペア:

[(1, 998402), (2, 499201), (71, 14062), (79, 12638), (89, 11218), (142, 7031), (158, 6319), (178, 5609)]