205304816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4987}}^1$

素因数の和:5109

約数の個数: 40

約数和(自身を含む): 415640064

約数和(自身を除く): 210335248

約数列:

[1, 2, 4, 8, 16, 31, 62, 83, 124, 166, 248, 332, 496, 664, 1328, 2573, 4987, 5146, 9974, 10292, 19948, 20584, 39896, 41168, 79792, 154597, 309194, 413921, 618388, 827842, 1236776, 1655684, 2473552, 3311368, 6622736, 12831551, 25663102, 51326204, 102652408, 205304816]

約数ペア:

[(1, 205304816), (2, 102652408), (4, 51326204), (8, 25663102), (16, 12831551), (31, 6622736), (62, 3311368), (83, 2473552), (124, 1655684), (166, 1236776), (248, 827842), (332, 618388), (496, 413921), (664, 309194), (1328, 154597), (2573, 79792), (4987, 41168), (5146, 39896), (9974, 20584), (10292, 19948)]