51442405

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 77647680

約数和(自身を除く): 26205275

約数列:

[1, 5, 7, 19, 35, 43, 49, 95, 133, 215, 245, 257, 301, 665, 817, 931, 1285, 1505, 1799, 2107, 4085, 4655, 4883, 5719, 8995, 10535, 11051, 12593, 24415, 28595, 34181, 40033, 55255, 62965, 77357, 170905, 200165, 209969, 239267, 386785, 541499, 1049845, 1196335, 1469783, 2707495, 7348915, 10288481, 51442405]

約数ペア:

[(1, 51442405), (5, 10288481), (7, 7348915), (19, 2707495), (35, 1469783), (43, 1196335), (49, 1049845), (95, 541499), (133, 386785), (215, 239267), (245, 209969), (257, 200165), (301, 170905), (665, 77357), (817, 62965), (931, 55255), (1285, 40033), (1505, 34181), (1799, 28595), (2107, 24415), (4085, 12593), (4655, 11051), (4883, 10535), (5719, 8995)]