221497199

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1051}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 310853376

約数和(自身を除く): 89356177

約数列:

[1, 7, 11, 17, 23, 49, 77, 119, 161, 187, 253, 391, 539, 833, 1051, 1127, 1309, 1771, 2737, 4301, 7357, 9163, 11561, 12397, 17867, 19159, 24173, 30107, 51499, 80927, 125069, 169211, 196537, 210749, 265903, 410941, 566489, 875483, 1184477, 1375759, 1861321, 2876587, 4520351, 9630313, 13029247, 20136109, 31642457, 221497199]

約数ペア:

[(1, 221497199), (7, 31642457), (11, 20136109), (17, 13029247), (23, 9630313), (49, 4520351), (77, 2876587), (119, 1861321), (161, 1375759), (187, 1184477), (253, 875483), (391, 566489), (539, 410941), (833, 265903), (1051, 210749), (1127, 196537), (1309, 169211), (1771, 125069), (2737, 80927), (4301, 51499), (7357, 30107), (9163, 24173), (11561, 19159), (12397, 17867)]