620691845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{907}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 807262848

約数和(自身を除く): 186571003

約数列:

[1, 5, 17, 83, 85, 97, 415, 485, 907, 1411, 1649, 4535, 7055, 8051, 8245, 15419, 40255, 75281, 77095, 87979, 136867, 376405, 439895, 684335, 1279777, 1495643, 6398885, 7302257, 7478215, 36511285, 124138369, 620691845]

約数ペア:

[(1, 620691845), (5, 124138369), (17, 36511285), (83, 7478215), (85, 7302257), (97, 6398885), (415, 1495643), (485, 1279777), (907, 684335), (1411, 439895), (1649, 376405), (4535, 136867), (7055, 87979), (8051, 77095), (8245, 75281), (15419, 40255)]