717881216

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 1608499200

約数和(自身を除く): 890617984

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 79, 86, 104, 127, 128, 158, 172, 208, 254, 316, 344, 416, 508, 559, 632, 688, 832, 1016, 1027, 1118, 1264, 1376, 1651, 1664, 2032, 2054, 2236, 2528, 2752, 3302, 3397, 4064, 4108, 4472, 5056, 5461, 5504, 6604, 6794, 8128, 8216, 8944, 10033, 10112, 10922, 13208, 13588, 16256, 16432, 17888, 20066, 21844, 26416, 27176, 32864, 35776, 40132, 43688, 44161, 52832, 54352, 65728, 70993, 71552, 80264, 87376, 88322, 105664, 108704, 130429, 131456, 141986, 160528, 174752, 176644, 211328, 217408, 260858, 283972, 321056, 349504, 353288, 431419, 434816, 521716, 567944, 642112, 699008, 706576, 862838, 1043432, 1135888, 1284224, 1413152, 1725676, 2086864, 2271776, 2826304, 3451352, 4173728, 4543552, 5608447, 5652608, 6902704, 8347456, 9087104, 11216894, 13805408, 16694912, 22433788, 27610816, 44867576, 55221632, 89735152, 179470304, 358940608, 717881216]

約数ペア:

[(1, 717881216), (2, 358940608), (4, 179470304), (8, 89735152), (13, 55221632), (16, 44867576), (26, 27610816), (32, 22433788), (43, 16694912), (52, 13805408), (64, 11216894), (79, 9087104), (86, 8347456), (104, 6902704), (127, 5652608), (128, 5608447), (158, 4543552), (172, 4173728), (208, 3451352), (254, 2826304), (316, 2271776), (344, 2086864), (416, 1725676), (508, 1413152), (559, 1284224), (632, 1135888), (688, 1043432), (832, 862838), (1016, 706576), (1027, 699008), (1118, 642112), (1264, 567944), (1376, 521716), (1651, 434816), (1664, 431419), (2032, 353288), (2054, 349504), (2236, 321056), (2528, 283972), (2752, 260858), (3302, 217408), (3397, 211328), (4064, 176644), (4108, 174752), (4472, 160528), (5056, 141986), (5461, 131456), (5504, 130429), (6604, 108704), (6794, 105664), (8128, 88322), (8216, 87376), (8944, 80264), (10033, 71552), (10112, 70993), (10922, 65728), (13208, 54352), (13588, 52832), (16256, 44161), (16432, 43688), (17888, 40132), (20066, 35776), (21844, 32864), (26416, 27176)]