25978216

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 28796504

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 121, 188, 242, 376, 484, 517, 571, 968, 1034, 1142, 2068, 2284, 4136, 4568, 5687, 6281, 11374, 12562, 22748, 25124, 26837, 45496, 50248, 53674, 69091, 107348, 138182, 214696, 276364, 295207, 552728, 590414, 1180828, 2361656, 3247277, 6494554, 12989108, 25978216]

約数ペア:

[(1, 25978216), (2, 12989108), (4, 6494554), (8, 3247277), (11, 2361656), (22, 1180828), (44, 590414), (47, 552728), (88, 295207), (94, 276364), (121, 214696), (188, 138182), (242, 107348), (376, 69091), (484, 53674), (517, 50248), (571, 45496), (968, 26837), (1034, 25124), (1142, 22748), (2068, 12562), (2284, 11374), (4136, 6281), (4568, 5687)]