279197408

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1297}}^1$

素因数の和:1376

約数の個数: 72

約数和(自身を含む): 649612656

約数和(自身を除く): 370415248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 961, 992, 1297, 1736, 1922, 2594, 3472, 3844, 5188, 6727, 6944, 7688, 9079, 10376, 13454, 15376, 18158, 20752, 26908, 30752, 36316, 40207, 41504, 53816, 72632, 80414, 107632, 145264, 160828, 215264, 281449, 290528, 321656, 562898, 643312, 1125796, 1246417, 1286624, 2251592, 2492834, 4503184, 4985668, 8724919, 9006368, 9971336, 17449838, 19942672, 34899676, 39885344, 69799352, 139598704, 279197408]

約数ペア:

[(1, 279197408), (2, 139598704), (4, 69799352), (7, 39885344), (8, 34899676), (14, 19942672), (16, 17449838), (28, 9971336), (31, 9006368), (32, 8724919), (56, 4985668), (62, 4503184), (112, 2492834), (124, 2251592), (217, 1286624), (224, 1246417), (248, 1125796), (434, 643312), (496, 562898), (868, 321656), (961, 290528), (992, 281449), (1297, 215264), (1736, 160828), (1922, 145264), (2594, 107632), (3472, 80414), (3844, 72632), (5188, 53816), (6727, 41504), (6944, 40207), (7688, 36316), (9079, 30752), (10376, 26908), (13454, 20752), (15376, 18158)]