28110830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 59222016

約数和(自身を除く): 31111186

約数列:

[1, 2, 5, 10, 11, 22, 23, 41, 46, 55, 82, 110, 115, 205, 230, 253, 271, 410, 451, 506, 542, 902, 943, 1265, 1355, 1886, 2255, 2530, 2710, 2981, 4510, 4715, 5962, 6233, 9430, 10373, 11111, 12466, 14905, 20746, 22222, 29810, 31165, 51865, 55555, 62330, 68563, 103730, 111110, 122221, 137126, 244442, 255553, 342815, 511106, 611105, 685630, 1222210, 1277765, 2555530, 2811083, 5622166, 14055415, 28110830]

約数ペア:

[(1, 28110830), (2, 14055415), (5, 5622166), (10, 2811083), (11, 2555530), (22, 1277765), (23, 1222210), (41, 685630), (46, 611105), (55, 511106), (82, 342815), (110, 255553), (115, 244442), (205, 137126), (230, 122221), (253, 111110), (271, 103730), (410, 68563), (451, 62330), (506, 55555), (542, 51865), (902, 31165), (943, 29810), (1265, 22222), (1355, 20746), (1886, 14905), (2255, 12466), (2530, 11111), (2710, 10373), (2981, 9430), (4510, 6233), (4715, 5962)]