1306306768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{202591}}^1$

素因数の和:202643

約数の個数: 40

約数和(自身を含む): 2813597696

約数和(自身を除く): 1507290928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 202591, 405182, 810364, 1620728, 2633683, 3241456, 5267366, 6280321, 10534732, 12560642, 21069464, 25121284, 42138928, 50242568, 81644173, 100485136, 163288346, 326576692, 653153384, 1306306768]

約数ペア:

[(1, 1306306768), (2, 653153384), (4, 326576692), (8, 163288346), (13, 100485136), (16, 81644173), (26, 50242568), (31, 42138928), (52, 25121284), (62, 21069464), (104, 12560642), (124, 10534732), (208, 6280321), (248, 5267366), (403, 3241456), (496, 2633683), (806, 1620728), (1612, 810364), (3224, 405182), (6448, 202591)]