289203955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 375943680

約数和(自身を除く): 86739725

約数列:

[1, 5, 23, 41, 83, 115, 205, 415, 739, 943, 1909, 3403, 3695, 4715, 9545, 16997, 17015, 30299, 61337, 78269, 84985, 151495, 306685, 391345, 696877, 1410751, 2514817, 3484385, 7053755, 12574085, 57840791, 289203955]

約数ペア:

[(1, 289203955), (5, 57840791), (23, 12574085), (41, 7053755), (83, 3484385), (115, 2514817), (205, 1410751), (415, 696877), (739, 391345), (943, 306685), (1909, 151495), (3403, 84985), (3695, 78269), (4715, 61337), (9545, 30299), (16997, 17015)]