189716615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 265213440

約数和(自身を除く): 75496825

約数列:

[1, 5, 11, 19, 55, 71, 95, 209, 355, 781, 1045, 1349, 2557, 3905, 6745, 12785, 14839, 28127, 48583, 74195, 140635, 181547, 242915, 534413, 907735, 1997017, 2672065, 3449393, 9985085, 17246965, 37943323, 189716615]

約数ペア:

[(1, 189716615), (5, 37943323), (11, 17246965), (19, 9985085), (55, 3449393), (71, 2672065), (95, 1997017), (209, 907735), (355, 534413), (781, 242915), (1045, 181547), (1349, 140635), (2557, 74195), (3905, 48583), (6745, 28127), (12785, 14839)]