1388860394

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{37189}}^1$

素因数の和:37525

約数の個数: 16

約数和(自身を含む): 2120722560

約数和(自身を除く): 731862166

約数列:

[1, 2, 71, 142, 263, 526, 18673, 37189, 37346, 74378, 2640419, 5280838, 9780707, 19561414, 694430197, 1388860394]

約数ペア:

[(1, 1388860394), (2, 694430197), (71, 19561414), (142, 9780707), (263, 5280838), (526, 2640419), (18673, 74378), (37189, 37346)]