778115328

素因数分解:

$2^8\times 3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 2153067840

約数和(自身を除く): 1374952512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 139, 148, 192, 197, 222, 256, 278, 296, 384, 394, 417, 444, 556, 591, 592, 768, 788, 834, 888, 1112, 1182, 1184, 1576, 1668, 1776, 2224, 2364, 2368, 3152, 3336, 3552, 4448, 4728, 4736, 5143, 6304, 6672, 7104, 7289, 8896, 9456, 9472, 10286, 12608, 13344, 14208, 14578, 15429, 17792, 18912, 20572, 21867, 25216, 26688, 27383, 28416, 29156, 30858, 35584, 37824, 41144, 43734, 50432, 53376, 54766, 58312, 61716, 75648, 82149, 82288, 87468, 106752, 109532, 116624, 123432, 151296, 164298, 164576, 174936, 219064, 233248, 246864, 328596, 329152, 349872, 438128, 466496, 493728, 657192, 658304, 699744, 876256, 932992, 987456, 1013171, 1314384, 1316608, 1399488, 1752512, 1865984, 1974912, 2026342, 2628768, 2798976, 3039513, 3505024, 3949824, 4052684, 5257536, 5597952, 6079026, 7010048, 8105368, 10515072, 12158052, 16210736, 21030144, 24316104, 32421472, 48632208, 64842944, 97264416, 129685888, 194528832, 259371776, 389057664, 778115328]

約数ペア:

[(1, 778115328), (2, 389057664), (3, 259371776), (4, 194528832), (6, 129685888), (8, 97264416), (12, 64842944), (16, 48632208), (24, 32421472), (32, 24316104), (37, 21030144), (48, 16210736), (64, 12158052), (74, 10515072), (96, 8105368), (111, 7010048), (128, 6079026), (139, 5597952), (148, 5257536), (192, 4052684), (197, 3949824), (222, 3505024), (256, 3039513), (278, 2798976), (296, 2628768), (384, 2026342), (394, 1974912), (417, 1865984), (444, 1752512), (556, 1399488), (591, 1316608), (592, 1314384), (768, 1013171), (788, 987456), (834, 932992), (888, 876256), (1112, 699744), (1182, 658304), (1184, 657192), (1576, 493728), (1668, 466496), (1776, 438128), (2224, 349872), (2364, 329152), (2368, 328596), (3152, 246864), (3336, 233248), (3552, 219064), (4448, 174936), (4728, 164576), (4736, 164298), (5143, 151296), (6304, 123432), (6672, 116624), (7104, 109532), (7289, 106752), (8896, 87468), (9456, 82288), (9472, 82149), (10286, 75648), (12608, 61716), (13344, 58312), (14208, 54766), (14578, 53376), (15429, 50432), (17792, 43734), (18912, 41144), (20572, 37824), (21867, 35584), (25216, 30858), (26688, 29156), (27383, 28416)]