51317648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:855

約数の個数: 40

約数和(自身を含む): 103445760

約数和(自身を除く): 52128112

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 628, 659, 1256, 1318, 2512, 2636, 4867, 5272, 9734, 10544, 19468, 20429, 38936, 40858, 77872, 81716, 103463, 163432, 206926, 326864, 413852, 827704, 1655408, 3207353, 6414706, 12829412, 25658824, 51317648]

約数ペア:

[(1, 51317648), (2, 25658824), (4, 12829412), (8, 6414706), (16, 3207353), (31, 1655408), (62, 827704), (124, 413852), (157, 326864), (248, 206926), (314, 163432), (496, 103463), (628, 81716), (659, 77872), (1256, 40858), (1318, 38936), (2512, 20429), (2636, 19468), (4867, 10544), (5272, 9734)]