31401601

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 44323200

約数和(自身を除く): 12921599

約数列:

[1, 7, 11, 17, 23, 49, 77, 119, 149, 161, 187, 253, 391, 539, 833, 1043, 1127, 1309, 1639, 1771, 2533, 2737, 3427, 4301, 7301, 9163, 11473, 12397, 17731, 19159, 23989, 27863, 30107, 37697, 58259, 80311, 124117, 167923, 195041, 210749, 263879, 407813, 640849, 1365287, 1847153, 2854691, 4485943, 31401601]

約数ペア:

[(1, 31401601), (7, 4485943), (11, 2854691), (17, 1847153), (23, 1365287), (49, 640849), (77, 407813), (119, 263879), (149, 210749), (161, 195041), (187, 167923), (253, 124117), (391, 80311), (539, 58259), (833, 37697), (1043, 30107), (1127, 27863), (1309, 23989), (1639, 19159), (1771, 17731), (2533, 12397), (2737, 11473), (3427, 9163), (4301, 7301)]