78080275

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4903}}^1$

素因数の和:4940

約数の個数: 36

約数和(自身を含む): 121315152

約数和(自身を除く): 43234877

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 1225, 2275, 3185, 4903, 15925, 24515, 34321, 63739, 122575, 171605, 240247, 318695, 446173, 858025, 1201235, 1593475, 2230865, 3123211, 6006175, 11154325, 15616055, 78080275]

約数ペア:

[(1, 78080275), (5, 15616055), (7, 11154325), (13, 6006175), (25, 3123211), (35, 2230865), (49, 1593475), (65, 1201235), (91, 858025), (175, 446173), (245, 318695), (325, 240247), (455, 171605), (637, 122575), (1225, 63739), (2275, 34321), (3185, 24515), (4903, 15925)]