1991570508

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{2699}}^1$

素因数の和:3011

約数の個数: 72

約数和(自身を含む): 5110560000

約数和(自身を除く): 3118989492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 199, 206, 309, 398, 412, 597, 618, 796, 927, 1194, 1236, 1791, 1854, 2388, 2699, 3582, 3708, 5398, 7164, 8097, 10796, 16194, 20497, 24291, 32388, 40994, 48582, 61491, 81988, 97164, 122982, 184473, 245964, 277997, 368946, 537101, 555994, 737892, 833991, 1074202, 1111988, 1611303, 1667982, 2148404, 2501973, 3222606, 3335964, 4833909, 5003946, 6445212, 9667818, 10007892, 19335636, 55321403, 110642806, 165964209, 221285612, 331928418, 497892627, 663856836, 995785254, 1991570508]

約数ペア:

[(1, 1991570508), (2, 995785254), (3, 663856836), (4, 497892627), (6, 331928418), (9, 221285612), (12, 165964209), (18, 110642806), (36, 55321403), (103, 19335636), (199, 10007892), (206, 9667818), (309, 6445212), (398, 5003946), (412, 4833909), (597, 3335964), (618, 3222606), (796, 2501973), (927, 2148404), (1194, 1667982), (1236, 1611303), (1791, 1111988), (1854, 1074202), (2388, 833991), (2699, 737892), (3582, 555994), (3708, 537101), (5398, 368946), (7164, 277997), (8097, 245964), (10796, 184473), (16194, 122982), (20497, 97164), (24291, 81988), (32388, 61491), (40994, 48582)]