81139604

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{1319}}^1$

素因数の和:1369

約数の個数: 48

約数和(自身を含む): 175929600

約数和(自身を除く): 94789996

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 1319, 2197, 2366, 2638, 4394, 4732, 5276, 8788, 9233, 15379, 17147, 18466, 30758, 34294, 36932, 61516, 68588, 120029, 222911, 240058, 445822, 480116, 891644, 1560377, 2897843, 3120754, 5795686, 6241508, 11591372, 20284901, 40569802, 81139604]

約数ペア:

[(1, 81139604), (2, 40569802), (4, 20284901), (7, 11591372), (13, 6241508), (14, 5795686), (26, 3120754), (28, 2897843), (52, 1560377), (91, 891644), (169, 480116), (182, 445822), (338, 240058), (364, 222911), (676, 120029), (1183, 68588), (1319, 61516), (2197, 36932), (2366, 34294), (2638, 30758), (4394, 18466), (4732, 17147), (5276, 15379), (8788, 9233)]