257783552

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2671}}^1$

素因数の和:2729

約数の個数: 72

約数和(自身を含む): 573464640

約数和(自身を除く): 315681088

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 232, 256, 377, 416, 464, 754, 832, 928, 1508, 1664, 1856, 2671, 3016, 3328, 3712, 5342, 6032, 7424, 10684, 12064, 21368, 24128, 34723, 42736, 48256, 69446, 77459, 85472, 96512, 138892, 154918, 170944, 277784, 309836, 341888, 555568, 619672, 683776, 1006967, 1111136, 1239344, 2013934, 2222272, 2478688, 4027868, 4444544, 4957376, 8055736, 8889088, 9914752, 16111472, 19829504, 32222944, 64445888, 128891776, 257783552]

約数ペア:

[(1, 257783552), (2, 128891776), (4, 64445888), (8, 32222944), (13, 19829504), (16, 16111472), (26, 9914752), (29, 8889088), (32, 8055736), (52, 4957376), (58, 4444544), (64, 4027868), (104, 2478688), (116, 2222272), (128, 2013934), (208, 1239344), (232, 1111136), (256, 1006967), (377, 683776), (416, 619672), (464, 555568), (754, 341888), (832, 309836), (928, 277784), (1508, 170944), (1664, 154918), (1856, 138892), (2671, 96512), (3016, 85472), (3328, 77459), (3712, 69446), (5342, 48256), (6032, 42736), (7424, 34723), (10684, 24128), (12064, 21368)]