1271389308416

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{3463}}^1\times {\mathrm{23131}}^1$

素因数の和:26643

約数の個数: 80

約数和(自身を含む): 2623111062528

約数和(自身を除く): 1351721754112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3463, 3968, 6926, 7936, 13852, 15872, 23131, 27704, 46262, 55408, 92524, 107353, 110816, 185048, 214706, 221632, 370096, 429412, 443264, 717061, 740192, 858824, 886528, 1434122, 1480384, 1717648, 1773056, 2868244, 2960768, 3435296, 5736488, 5921536, 6870592, 11472976, 11843072, 13741184, 22945952, 27482368, 45891904, 54964736, 80102653, 91783808, 160205306, 183567616, 320410612, 367135232, 640821224, 1281642448, 2483182243, 2563284896, 4966364486, 5126569792, 9932728972, 10253139584, 19865457944, 20506279168, 39730915888, 41012558336, 79461831776, 158923663552, 317847327104, 635694654208, 1271389308416]

約数ペア:

[(1, 1271389308416), (2, 635694654208), (4, 317847327104), (8, 158923663552), (16, 79461831776), (31, 41012558336), (32, 39730915888), (62, 20506279168), (64, 19865457944), (124, 10253139584), (128, 9932728972), (248, 5126569792), (256, 4966364486), (496, 2563284896), (512, 2483182243), (992, 1281642448), (1984, 640821224), (3463, 367135232), (3968, 320410612), (6926, 183567616), (7936, 160205306), (13852, 91783808), (15872, 80102653), (23131, 54964736), (27704, 45891904), (46262, 27482368), (55408, 22945952), (92524, 13741184), (107353, 11843072), (110816, 11472976), (185048, 6870592), (214706, 5921536), (221632, 5736488), (370096, 3435296), (429412, 2960768), (443264, 2868244), (717061, 1773056), (740192, 1717648), (858824, 1480384), (886528, 1434122)]