12421565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 16934400

約数和(自身を除く): 4512835

約数列:

[1, 5, 13, 41, 59, 65, 79, 205, 295, 395, 533, 767, 1027, 2419, 2665, 3239, 3835, 4661, 5135, 12095, 16195, 23305, 31447, 42107, 60593, 157235, 191101, 210535, 302965, 955505, 2484313, 12421565]

約数ペア:

[(1, 12421565), (5, 2484313), (13, 955505), (41, 302965), (59, 210535), (65, 191101), (79, 157235), (205, 60593), (295, 42107), (395, 31447), (533, 23305), (767, 16195), (1027, 12095), (2419, 5135), (2665, 4661), (3239, 3835)]