128988664

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 283449600

約数和(自身を除く): 154460936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 139, 146, 227, 278, 292, 454, 511, 556, 584, 908, 973, 1022, 1112, 1589, 1816, 1946, 2044, 3178, 3892, 4088, 6356, 7784, 10147, 12712, 16571, 20294, 31553, 33142, 40588, 63106, 66284, 71029, 81176, 115997, 126212, 132568, 142058, 220871, 231994, 252424, 284116, 441742, 463988, 568232, 883484, 927976, 1766968, 2303369, 4606738, 9213476, 16123583, 18426952, 32247166, 64494332, 128988664]

約数ペア:

[(1, 128988664), (2, 64494332), (4, 32247166), (7, 18426952), (8, 16123583), (14, 9213476), (28, 4606738), (56, 2303369), (73, 1766968), (139, 927976), (146, 883484), (227, 568232), (278, 463988), (292, 441742), (454, 284116), (511, 252424), (556, 231994), (584, 220871), (908, 142058), (973, 132568), (1022, 126212), (1112, 115997), (1589, 81176), (1816, 71029), (1946, 66284), (2044, 63106), (3178, 40588), (3892, 33142), (4088, 31553), (6356, 20294), (7784, 16571), (10147, 12712)]