81001648

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55633}}^1$

素因数の和:55661

約数の個数: 40

約数和(自身を含む): 193161248

約数和(自身を除く): 112159600

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55633, 111266, 222532, 389431, 445064, 723229, 778862, 890128, 1446458, 1557724, 2892916, 3115448, 5062603, 5785832, 6230896, 10125206, 11571664, 20250412, 40500824, 81001648]

約数ペア:

[(1, 81001648), (2, 40500824), (4, 20250412), (7, 11571664), (8, 10125206), (13, 6230896), (14, 5785832), (16, 5062603), (26, 3115448), (28, 2892916), (52, 1557724), (56, 1446458), (91, 890128), (104, 778862), (112, 723229), (182, 445064), (208, 389431), (364, 222532), (728, 111266), (1456, 55633)]