201721624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1939631}}^1$

素因数の和:1939650

約数の個数: 16

約数和(自身を含む): 407322720

約数和(自身を除く): 205601096

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1939631, 3879262, 7758524, 15517048, 25215203, 50430406, 100860812, 201721624]

約数ペア:

[(1, 201721624), (2, 100860812), (4, 50430406), (8, 25215203), (13, 15517048), (26, 7758524), (52, 3879262), (104, 1939631)]