121018885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 177408000

約数和(自身を除く): 56389115

約数列:

[1, 5, 13, 19, 29, 31, 65, 95, 109, 145, 155, 247, 377, 403, 545, 551, 589, 899, 1235, 1417, 1885, 2015, 2071, 2755, 2945, 3161, 3379, 4495, 7085, 7163, 7657, 10355, 11687, 15805, 16895, 17081, 26923, 35815, 38285, 41093, 43927, 58435, 60059, 64201, 85405, 97991, 134615, 205465, 219635, 222053, 300295, 321005, 489955, 780767, 834613, 1110265, 1273883, 1861829, 3903835, 4173065, 6369415, 9309145, 24203777, 121018885]

約数ペア:

[(1, 121018885), (5, 24203777), (13, 9309145), (19, 6369415), (29, 4173065), (31, 3903835), (65, 1861829), (95, 1273883), (109, 1110265), (145, 834613), (155, 780767), (247, 489955), (377, 321005), (403, 300295), (545, 222053), (551, 219635), (589, 205465), (899, 134615), (1235, 97991), (1417, 85405), (1885, 64201), (2015, 60059), (2071, 58435), (2755, 43927), (2945, 41093), (3161, 38285), (3379, 35815), (4495, 26923), (7085, 17081), (7163, 16895), (7657, 15805), (10355, 11687)]