168703408

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 331496640

約数和(自身を除く): 162793232

約数列:

[1, 2, 4, 8, 16, 157, 239, 281, 314, 478, 562, 628, 956, 1124, 1256, 1912, 2248, 2512, 3824, 4496, 37523, 44117, 67159, 75046, 88234, 134318, 150092, 176468, 268636, 300184, 352936, 537272, 600368, 705872, 1074544, 10543963, 21087926, 42175852, 84351704, 168703408]

約数ペア:

[(1, 168703408), (2, 84351704), (4, 42175852), (8, 21087926), (16, 10543963), (157, 1074544), (239, 705872), (281, 600368), (314, 537272), (478, 352936), (562, 300184), (628, 268636), (956, 176468), (1124, 150092), (1256, 134318), (1912, 88234), (2248, 75046), (2512, 67159), (3824, 44117), (4496, 37523)]