12252905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 18137088

約数和(自身を除く): 5884183

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 161, 217, 491, 713, 805, 1085, 2455, 3437, 3565, 4991, 11293, 15221, 17185, 24955, 56465, 76105, 79051, 106547, 350083, 395255, 532735, 1750415, 2450581, 12252905]

約数ペア:

[(1, 12252905), (5, 2450581), (7, 1750415), (23, 532735), (31, 395255), (35, 350083), (115, 106547), (155, 79051), (161, 76105), (217, 56465), (491, 24955), (713, 17185), (805, 15221), (1085, 11293), (2455, 4991), (3437, 3565)]