169456

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 401760

約数和(自身を除く): 232304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 89, 112, 119, 136, 178, 238, 272, 356, 476, 623, 712, 952, 1246, 1424, 1513, 1904, 2492, 3026, 4984, 6052, 9968, 10591, 12104, 21182, 24208, 42364, 84728, 169456]

約数ペア:

[(1, 169456), (2, 84728), (4, 42364), (7, 24208), (8, 21182), (14, 12104), (16, 10591), (17, 9968), (28, 6052), (34, 4984), (56, 3026), (68, 2492), (89, 1904), (112, 1513), (119, 1424), (136, 1246), (178, 952), (238, 712), (272, 623), (356, 476)]