1294147328

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 2680223616

約数和(自身を除く): 1386076288

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 313, 496, 521, 626, 992, 1042, 1252, 1984, 2084, 2504, 3968, 4168, 5008, 7936, 8336, 9703, 10016, 16151, 16672, 19406, 20032, 32302, 33344, 38812, 40064, 64604, 66688, 77624, 80128, 129208, 133376, 155248, 163073, 258416, 310496, 326146, 516832, 620992, 652292, 1033664, 1241984, 1304584, 2067328, 2483968, 2609168, 4134656, 5055263, 5218336, 10110526, 10436672, 20221052, 20873344, 40442104, 41746688, 80884208, 161768416, 323536832, 647073664, 1294147328]

約数ペア:

[(1, 1294147328), (2, 647073664), (4, 323536832), (8, 161768416), (16, 80884208), (31, 41746688), (32, 40442104), (62, 20873344), (64, 20221052), (124, 10436672), (128, 10110526), (248, 5218336), (256, 5055263), (313, 4134656), (496, 2609168), (521, 2483968), (626, 2067328), (992, 1304584), (1042, 1241984), (1252, 1033664), (1984, 652292), (2084, 620992), (2504, 516832), (3968, 326146), (4168, 310496), (5008, 258416), (7936, 163073), (8336, 155248), (9703, 133376), (10016, 129208), (16151, 80128), (16672, 77624), (19406, 66688), (20032, 64604), (32302, 40064), (33344, 38812)]