1220763136

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{76913}}^1$

素因数の和:76962

約数の個数: 40

約数和(自身を含む): 2517856704

約数和(自身を除く): 1297093568

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 76913, 153826, 307652, 615304, 1230608, 2384303, 2461216, 4768606, 4922432, 9537212, 9844864, 19074424, 19689728, 38148848, 39379456, 76297696, 152595392, 305190784, 610381568, 1220763136]

約数ペア:

[(1, 1220763136), (2, 610381568), (4, 305190784), (8, 152595392), (16, 76297696), (31, 39379456), (32, 38148848), (62, 19689728), (64, 19074424), (124, 9844864), (128, 9537212), (248, 4922432), (256, 4768606), (496, 2461216), (512, 2384303), (992, 1230608), (1984, 615304), (3968, 307652), (7936, 153826), (15872, 76913)]