1298816

素因数分解:

$2^7\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 2641800

約数和(自身を除く): 1342984

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 139, 146, 278, 292, 556, 584, 1112, 1168, 2224, 2336, 4448, 4672, 8896, 9344, 10147, 17792, 20294, 40588, 81176, 162352, 324704, 649408, 1298816]

約数ペア:

[(1, 1298816), (2, 649408), (4, 324704), (8, 162352), (16, 81176), (32, 40588), (64, 20294), (73, 17792), (128, 10147), (139, 9344), (146, 8896), (278, 4672), (292, 4448), (556, 2336), (584, 2224), (1112, 1168)]