11810225

素因数分解:

$5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:366

約数の個数: 36

約数和(自身を含む): 17641728

約数和(自身を除く): 5831503

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 217, 245, 311, 775, 1085, 1225, 1519, 1555, 2177, 5425, 7595, 7775, 9641, 10885, 15239, 37975, 48205, 54425, 67487, 76195, 241025, 337435, 380975, 472409, 1687175, 2362045, 11810225]

約数ペア:

[(1, 11810225), (5, 2362045), (7, 1687175), (25, 472409), (31, 380975), (35, 337435), (49, 241025), (155, 76195), (175, 67487), (217, 54425), (245, 48205), (311, 37975), (775, 15239), (1085, 10885), (1225, 9641), (1519, 7775), (1555, 7595), (2177, 5425)]