138055090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{445339}}^1$

素因数の和:445377

約数の個数: 16

約数和(自身を含む): 256515840

約数和(自身を除く): 118460750

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 445339, 890678, 2226695, 4453390, 13805509, 27611018, 69027545, 138055090]

約数ペア:

[(1, 138055090), (2, 69027545), (5, 27611018), (10, 13805509), (31, 4453390), (62, 2226695), (155, 890678), (310, 445339)]