311901965

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{797}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 405409536

約数和(自身を除く): 93507571

約数列:

[1, 5, 23, 41, 83, 115, 205, 415, 797, 943, 1909, 3403, 3985, 4715, 9545, 17015, 18331, 32677, 66151, 78269, 91655, 163385, 330755, 391345, 751571, 1521473, 2712191, 3757855, 7607365, 13560955, 62380393, 311901965]

約数ペア:

[(1, 311901965), (5, 62380393), (23, 13560955), (41, 7607365), (83, 3757855), (115, 2712191), (205, 1521473), (415, 751571), (797, 391345), (943, 330755), (1909, 163385), (3403, 91655), (3985, 78269), (4715, 66151), (9545, 32677), (17015, 18331)]