201621430

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{255217}}^1$

素因数の和:255303

約数の個数: 16

約数和(自身を含む): 367513920

約数和(自身を除く): 165892490

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 255217, 510434, 1276085, 2552170, 20162143, 40324286, 100810715, 201621430]

約数ペア:

[(1, 201621430), (2, 100810715), (5, 40324286), (10, 20162143), (79, 2552170), (158, 1276085), (395, 510434), (790, 255217)]