1247389904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61339}}^1$

素因数の和:61419

約数の個数: 40

約数和(自身を含む): 2555669760

約数和(自身を除く): 1308279856

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 1271, 2542, 5084, 10168, 20336, 61339, 122678, 245356, 490712, 981424, 1901509, 2514899, 3803018, 5029798, 7606036, 10059596, 15212072, 20119192, 30424144, 40238384, 77961869, 155923738, 311847476, 623694952, 1247389904]

約数ペア:

[(1, 1247389904), (2, 623694952), (4, 311847476), (8, 155923738), (16, 77961869), (31, 40238384), (41, 30424144), (62, 20119192), (82, 15212072), (124, 10059596), (164, 7606036), (248, 5029798), (328, 3803018), (496, 2514899), (656, 1901509), (1271, 981424), (2542, 490712), (5084, 245356), (10168, 122678), (20336, 61339)]