131404672

素因数分解:

$2^7\times 7^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 317016000

約数和(自身を除く): 185611328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 64, 73, 82, 98, 112, 128, 146, 164, 196, 224, 287, 292, 328, 343, 392, 448, 511, 574, 584, 656, 686, 784, 896, 1022, 1148, 1168, 1312, 1372, 1568, 2009, 2044, 2296, 2336, 2624, 2744, 2993, 3136, 3577, 4018, 4088, 4592, 4672, 5248, 5488, 5986, 6272, 7154, 8036, 8176, 9184, 9344, 10976, 11972, 14063, 14308, 16072, 16352, 18368, 20951, 21952, 23944, 25039, 28126, 28616, 32144, 32704, 36736, 41902, 43904, 47888, 50078, 56252, 57232, 64288, 65408, 83804, 95776, 100156, 112504, 114464, 128576, 146657, 167608, 191552, 200312, 225008, 228928, 257152, 293314, 335216, 383104, 400624, 450016, 457856, 586628, 670432, 801248, 900032, 1026599, 1173256, 1340864, 1602496, 1800064, 2053198, 2346512, 2681728, 3204992, 4106396, 4693024, 8212792, 9386048, 16425584, 18772096, 32851168, 65702336, 131404672]

約数ペア:

[(1, 131404672), (2, 65702336), (4, 32851168), (7, 18772096), (8, 16425584), (14, 9386048), (16, 8212792), (28, 4693024), (32, 4106396), (41, 3204992), (49, 2681728), (56, 2346512), (64, 2053198), (73, 1800064), (82, 1602496), (98, 1340864), (112, 1173256), (128, 1026599), (146, 900032), (164, 801248), (196, 670432), (224, 586628), (287, 457856), (292, 450016), (328, 400624), (343, 383104), (392, 335216), (448, 293314), (511, 257152), (574, 228928), (584, 225008), (656, 200312), (686, 191552), (784, 167608), (896, 146657), (1022, 128576), (1148, 114464), (1168, 112504), (1312, 100156), (1372, 95776), (1568, 83804), (2009, 65408), (2044, 64288), (2296, 57232), (2336, 56252), (2624, 50078), (2744, 47888), (2993, 43904), (3136, 41902), (3577, 36736), (4018, 32704), (4088, 32144), (4592, 28616), (4672, 28126), (5248, 25039), (5488, 23944), (5986, 21952), (6272, 20951), (7154, 18368), (8036, 16352), (8176, 16072), (9184, 14308), (9344, 14063), (10976, 11972)]