721567770016

素因数分解:

$2^5\times {\mathrm{421}}^1\times {\mathrm{3853}}^1\times {\mathrm{13901}}^1$

素因数の和:18185

約数の個数: 48

約数和(自身を含む): 1424432896488

約数和(自身を除く): 702865126472

約数列:

[1, 2, 4, 8, 16, 32, 421, 842, 1684, 3368, 3853, 6736, 7706, 13472, 13901, 15412, 27802, 30824, 55604, 61648, 111208, 123296, 222416, 444832, 1622113, 3244226, 5852321, 6488452, 11704642, 12976904, 23409284, 25953808, 46818568, 51907616, 53560553, 93637136, 107121106, 187274272, 214242212, 428484424, 856968848, 1713937696, 22548992813, 45097985626, 90195971252, 180391942504, 360783885008, 721567770016]

約数ペア:

[(1, 721567770016), (2, 360783885008), (4, 180391942504), (8, 90195971252), (16, 45097985626), (32, 22548992813), (421, 1713937696), (842, 856968848), (1684, 428484424), (3368, 214242212), (3853, 187274272), (6736, 107121106), (7706, 93637136), (13472, 53560553), (13901, 51907616), (15412, 46818568), (27802, 25953808), (30824, 23409284), (55604, 12976904), (61648, 11704642), (111208, 6488452), (123296, 5852321), (222416, 3244226), (444832, 1622113)]