131449136

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90281}}^1$

素因数の和:90309

約数の個数: 40

約数和(自身を含む): 313459104

約数和(自身を除く): 182009968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 90281, 180562, 361124, 631967, 722248, 1173653, 1263934, 1444496, 2347306, 2527868, 4694612, 5055736, 8215571, 9389224, 10111472, 16431142, 18778448, 32862284, 65724568, 131449136]

約数ペア:

[(1, 131449136), (2, 65724568), (4, 32862284), (7, 18778448), (8, 16431142), (13, 10111472), (14, 9389224), (16, 8215571), (26, 5055736), (28, 4694612), (52, 2527868), (56, 2347306), (91, 1444496), (104, 1263934), (112, 1173653), (182, 722248), (208, 631967), (364, 361124), (728, 180562), (1456, 90281)]