78638812

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 161781760

約数和(自身を除く): 83142948

約数列:

[1, 2, 4, 7, 14, 28, 73, 79, 146, 158, 292, 316, 487, 511, 553, 974, 1022, 1106, 1948, 2044, 2212, 3409, 5767, 6818, 11534, 13636, 23068, 35551, 38473, 40369, 71102, 76946, 80738, 142204, 153892, 161476, 248857, 269311, 497714, 538622, 995428, 1077244, 2808529, 5617058, 11234116, 19659703, 39319406, 78638812]

約数ペア:

[(1, 78638812), (2, 39319406), (4, 19659703), (7, 11234116), (14, 5617058), (28, 2808529), (73, 1077244), (79, 995428), (146, 538622), (158, 497714), (292, 269311), (316, 248857), (487, 161476), (511, 153892), (553, 142204), (974, 80738), (1022, 76946), (1106, 71102), (1948, 40369), (2044, 38473), (2212, 35551), (3409, 23068), (5767, 13636), (6818, 11534)]