31141670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 67239936

約数和(自身を除く): 36098266

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 113, 127, 155, 217, 226, 254, 310, 434, 565, 635, 791, 889, 1085, 1130, 1270, 1582, 1778, 2170, 3503, 3937, 3955, 4445, 7006, 7874, 7910, 8890, 14351, 17515, 19685, 24521, 27559, 28702, 35030, 39370, 49042, 55118, 71755, 100457, 122605, 137795, 143510, 200914, 245210, 275590, 444881, 502285, 889762, 1004570, 2224405, 3114167, 4448810, 6228334, 15570835, 31141670]

約数ペア:

[(1, 31141670), (2, 15570835), (5, 6228334), (7, 4448810), (10, 3114167), (14, 2224405), (31, 1004570), (35, 889762), (62, 502285), (70, 444881), (113, 275590), (127, 245210), (155, 200914), (217, 143510), (226, 137795), (254, 122605), (310, 100457), (434, 71755), (565, 55118), (635, 49042), (791, 39370), (889, 35030), (1085, 28702), (1130, 27559), (1270, 24521), (1582, 19685), (1778, 17515), (2170, 14351), (3503, 8890), (3937, 7910), (3955, 7874), (4445, 7006)]