87667225

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 36

約数和(自身を含む): 116359740

約数和(自身を除く): 28692515

約数列:

[1, 5, 25, 31, 41, 89, 155, 205, 445, 775, 961, 1025, 1271, 2225, 2759, 3649, 4805, 6355, 13795, 18245, 24025, 31775, 39401, 68975, 85529, 91225, 113119, 197005, 427645, 565595, 985025, 2138225, 2827975, 3506689, 17533445, 87667225]

約数ペア:

[(1, 87667225), (5, 17533445), (25, 3506689), (31, 2827975), (41, 2138225), (89, 985025), (155, 565595), (205, 427645), (445, 197005), (775, 113119), (961, 91225), (1025, 85529), (1271, 68975), (2225, 39401), (2759, 31775), (3649, 24025), (4805, 18245), (6355, 13795)]