131506788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1609}}^1$

素因数の和:1769

約数の個数: 72

約数和(自身を含む): 359738400

約数和(自身を除く): 228231612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 139, 147, 196, 278, 294, 417, 556, 588, 834, 973, 1609, 1668, 1946, 2919, 3218, 3892, 4827, 5838, 6436, 6811, 9654, 11263, 11676, 13622, 19308, 20433, 22526, 27244, 33789, 40866, 45052, 67578, 78841, 81732, 135156, 157682, 223651, 236523, 315364, 447302, 473046, 670953, 894604, 946092, 1341906, 1565557, 2683812, 3131114, 4696671, 6262228, 9393342, 10958899, 18786684, 21917798, 32876697, 43835596, 65753394, 131506788]

約数ペア:

[(1, 131506788), (2, 65753394), (3, 43835596), (4, 32876697), (6, 21917798), (7, 18786684), (12, 10958899), (14, 9393342), (21, 6262228), (28, 4696671), (42, 3131114), (49, 2683812), (84, 1565557), (98, 1341906), (139, 946092), (147, 894604), (196, 670953), (278, 473046), (294, 447302), (417, 315364), (556, 236523), (588, 223651), (834, 157682), (973, 135156), (1609, 81732), (1668, 78841), (1946, 67578), (2919, 45052), (3218, 40866), (3892, 33789), (4827, 27244), (5838, 22526), (6436, 20433), (6811, 19308), (9654, 13622), (11263, 11676)]