61318775

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 91422720

約数和(自身を除く): 30103945

約数列:

[1, 5, 7, 25, 31, 35, 89, 127, 155, 175, 217, 445, 623, 635, 775, 889, 1085, 2225, 2759, 3115, 3175, 3937, 4445, 5425, 11303, 13795, 15575, 19313, 19685, 22225, 27559, 56515, 68975, 79121, 96565, 98425, 137795, 282575, 350393, 395605, 482825, 688975, 1751965, 1978025, 2452751, 8759825, 12263755, 61318775]

約数ペア:

[(1, 61318775), (5, 12263755), (7, 8759825), (25, 2452751), (31, 1978025), (35, 1751965), (89, 688975), (127, 482825), (155, 395605), (175, 350393), (217, 282575), (445, 137795), (623, 98425), (635, 96565), (775, 79121), (889, 68975), (1085, 56515), (2225, 27559), (2759, 22225), (3115, 19685), (3175, 19313), (3937, 15575), (4445, 13795), (5425, 11303)]