1390254208

素因数分解:

$2^7\times 7^1\times {\mathrm{1551623}}^1$

素因数の和:1551644

約数の個数: 32

約数和(自身を含む): 3165312960

約数和(自身を除く): 1775058752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 1551623, 3103246, 6206492, 10861361, 12412984, 21722722, 24825968, 43445444, 49651936, 86890888, 99303872, 173781776, 198607744, 347563552, 695127104, 1390254208]

約数ペア:

[(1, 1390254208), (2, 695127104), (4, 347563552), (7, 198607744), (8, 173781776), (14, 99303872), (16, 86890888), (28, 49651936), (32, 43445444), (56, 24825968), (64, 21722722), (112, 12412984), (128, 10861361), (224, 6206492), (448, 3103246), (896, 1551623)]