207980816

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{719}}^1$

素因数の和:1007

約数の個数: 40

約数和(自身を含む): 409795200

約数和(自身を除く): 201814384

約数列:

[1, 2, 4, 8, 16, 101, 179, 202, 358, 404, 716, 719, 808, 1432, 1438, 1616, 2864, 2876, 5752, 11504, 18079, 36158, 72316, 72619, 128701, 144632, 145238, 257402, 289264, 290476, 514804, 580952, 1029608, 1161904, 2059216, 12998801, 25997602, 51995204, 103990408, 207980816]

約数ペア:

[(1, 207980816), (2, 103990408), (4, 51995204), (8, 25997602), (16, 12998801), (101, 2059216), (179, 1161904), (202, 1029608), (358, 580952), (404, 514804), (716, 290476), (719, 289264), (808, 257402), (1432, 145238), (1438, 144632), (1616, 128701), (2864, 72619), (2876, 72316), (5752, 36158), (11504, 18079)]