409848304

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 808662528

約数和(自身を除く): 398814224

約数列:

[1, 2, 4, 8, 16, 101, 127, 202, 254, 404, 508, 808, 1016, 1616, 1997, 2032, 3994, 7988, 12827, 15976, 25654, 31952, 51308, 102616, 201697, 205232, 253619, 403394, 507238, 806788, 1014476, 1613576, 2028952, 3227152, 4057904, 25615519, 51231038, 102462076, 204924152, 409848304]

約数ペア:

[(1, 409848304), (2, 204924152), (4, 102462076), (8, 51231038), (16, 25615519), (101, 4057904), (127, 3227152), (202, 2028952), (254, 1613576), (404, 1014476), (508, 806788), (808, 507238), (1016, 403394), (1616, 253619), (1997, 205232), (2032, 201697), (3994, 102616), (7988, 51308), (12827, 31952), (15976, 25654)]