205831478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 333396000

約数和(自身を除く): 127564522

約数列:

[1, 2, 17, 34, 97, 139, 194, 278, 449, 898, 1649, 2363, 3298, 4726, 7633, 13483, 15266, 26966, 43553, 62411, 87106, 124822, 229211, 458422, 740401, 1060987, 1480802, 2121974, 6053867, 12107734, 102915739, 205831478]

約数ペア:

[(1, 205831478), (2, 102915739), (17, 12107734), (34, 6053867), (97, 2121974), (139, 1480802), (194, 1060987), (278, 740401), (449, 458422), (898, 229211), (1649, 124822), (2363, 87106), (3298, 62411), (4726, 43553), (7633, 26966), (13483, 15266)]