177771621890

素因数分解:

$2^1\times 5^1\times {\mathrm{621427}}^1\times {\mathrm{28607}}^1$

素因数の和:650041

約数の個数: 16

約数和(自身を含む): 320000620032

約数和(自身を除く): 142228998142

約数列:

[1, 2, 5, 10, 28607, 57214, 143035, 286070, 621427, 1242854, 3107135, 6214270, 17777162189, 35554324378, 88885810945, 177771621890]

約数ペア:

[(1, 177771621890), (2, 88885810945), (5, 35554324378), (10, 17777162189), (28607, 6214270), (57214, 3107135), (143035, 1242854), (286070, 621427)]