209948504

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{19541}}^1$

素因数の和:19643

約数の個数: 32

約数和(自身を含む): 422107200

約数和(自身を除く): 212158696

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 2686, 5372, 10744, 19541, 39082, 78164, 156328, 332197, 664394, 1328788, 1543739, 2657576, 3087478, 6174956, 12349912, 26243563, 52487126, 104974252, 209948504]

約数ペア:

[(1, 209948504), (2, 104974252), (4, 52487126), (8, 26243563), (17, 12349912), (34, 6174956), (68, 3087478), (79, 2657576), (136, 1543739), (158, 1328788), (316, 664394), (632, 332197), (1343, 156328), (2686, 78164), (5372, 39082), (10744, 19541)]