643623444

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{12743}}^1$

素因数の和:12837

約数の個数: 72

約数和(自身を含む): 1725639552

約数和(自身を除く): 1082016108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 61, 69, 92, 122, 138, 183, 207, 244, 276, 366, 414, 549, 732, 828, 1098, 1403, 2196, 2806, 4209, 5612, 8418, 12627, 12743, 16836, 25254, 25486, 38229, 50508, 50972, 76458, 114687, 152916, 229374, 293089, 458748, 586178, 777323, 879267, 1172356, 1554646, 1758534, 2331969, 2637801, 3109292, 3517068, 4663938, 5275602, 6995907, 9327876, 10551204, 13991814, 17878429, 27983628, 35756858, 53635287, 71513716, 107270574, 160905861, 214541148, 321811722, 643623444]

約数ペア:

[(1, 643623444), (2, 321811722), (3, 214541148), (4, 160905861), (6, 107270574), (9, 71513716), (12, 53635287), (18, 35756858), (23, 27983628), (36, 17878429), (46, 13991814), (61, 10551204), (69, 9327876), (92, 6995907), (122, 5275602), (138, 4663938), (183, 3517068), (207, 3109292), (244, 2637801), (276, 2331969), (366, 1758534), (414, 1554646), (549, 1172356), (732, 879267), (828, 777323), (1098, 586178), (1403, 458748), (2196, 293089), (2806, 229374), (4209, 152916), (5612, 114687), (8418, 76458), (12627, 50972), (12743, 50508), (16836, 38229), (25254, 25486)]