15721824128

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{91457}}^1$

素因数の和:91567

約数の個数: 64

約数和(自身を含む): 33583377600

約数和(自身を除く): 17861553472

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 128, 136, 158, 272, 316, 544, 632, 1088, 1264, 1343, 2176, 2528, 2686, 5056, 5372, 10112, 10744, 21488, 42976, 85952, 91457, 171904, 182914, 365828, 731656, 1463312, 1554769, 2926624, 3109538, 5853248, 6219076, 7225103, 11706496, 12438152, 14450206, 24876304, 28900412, 49752608, 57800824, 99505216, 115601648, 122826751, 199010432, 231203296, 245653502, 462406592, 491307004, 924813184, 982614008, 1965228016, 3930456032, 7860912064, 15721824128]

約数ペア:

[(1, 15721824128), (2, 7860912064), (4, 3930456032), (8, 1965228016), (16, 982614008), (17, 924813184), (32, 491307004), (34, 462406592), (64, 245653502), (68, 231203296), (79, 199010432), (128, 122826751), (136, 115601648), (158, 99505216), (272, 57800824), (316, 49752608), (544, 28900412), (632, 24876304), (1088, 14450206), (1264, 12438152), (1343, 11706496), (2176, 7225103), (2528, 6219076), (2686, 5853248), (5056, 3109538), (5372, 2926624), (10112, 1554769), (10744, 1463312), (21488, 731656), (42976, 365828), (85952, 182914), (91457, 171904)]