251026958

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 483840000

約数和(自身を除く): 232813042

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 199, 203, 239, 377, 398, 406, 478, 754, 1393, 1673, 2587, 2639, 2786, 3107, 3346, 5174, 5278, 5771, 6214, 6931, 11542, 13862, 18109, 21749, 36218, 40397, 43498, 47561, 48517, 75023, 80794, 90103, 95122, 97034, 150046, 180206, 332927, 525161, 618293, 630721, 665854, 1050322, 1236586, 1261442, 1379269, 2758538, 4328051, 8656102, 9654883, 17930497, 19309766, 35860994, 125513479, 251026958]

約数ペア:

[(1, 251026958), (2, 125513479), (7, 35860994), (13, 19309766), (14, 17930497), (26, 9654883), (29, 8656102), (58, 4328051), (91, 2758538), (182, 1379269), (199, 1261442), (203, 1236586), (239, 1050322), (377, 665854), (398, 630721), (406, 618293), (478, 525161), (754, 332927), (1393, 180206), (1673, 150046), (2587, 97034), (2639, 95122), (2786, 90103), (3107, 80794), (3346, 75023), (5174, 48517), (5278, 47561), (5771, 43498), (6214, 40397), (6931, 36218), (11542, 21749), (13862, 18109)]