28277391.000000000

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 369897472

約数和(自身を除く): 187928580

約数列:

[1, 2, 4, 7, 14, 28, 151, 193, 223, 302, 386, 446, 604, 772, 892, 1057, 1351, 1561, 2114, 2702, 3122, 4228, 5404, 6244, 29143, 33673, 43039, 58286, 67346, 86078, 116572, 134692, 172156, 204001, 235711, 301273, 408002, 471422, 602546, 816004, 942844, 1205092, 6498889, 12997778, 25995556, 45492223, 90984446, 181968892]

約数ペア:

[(1, 181968892), (2, 90984446), (4, 45492223), (7, 25995556), (14, 12997778), (28, 6498889), (151, 1205092), (193, 942844), (223, 816004), (302, 602546), (386, 471422), (446, 408002), (604, 301273), (772, 235711), (892, 204001), (1057, 172156), (1351, 134692), (1561, 116572), (2114, 86078), (2702, 67346), (3122, 58286), (4228, 43039), (5404, 33673), (6244, 29143)]