1891330205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1\times {\mathrm{787}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 2454399360

約数和(自身を除く): 563069155

約数列:

[1, 5, 19, 41, 95, 205, 617, 779, 787, 3085, 3895, 3935, 11723, 14953, 25297, 32267, 58615, 74765, 126485, 161335, 480643, 485579, 613073, 2403215, 2427895, 3065365, 9226001, 19908739, 46130005, 99543695, 378266041, 1891330205]

約数ペア:

[(1, 1891330205), (5, 378266041), (19, 99543695), (41, 46130005), (95, 19908739), (205, 9226001), (617, 3065365), (779, 2427895), (787, 2403215), (3085, 613073), (3895, 485579), (3935, 480643), (11723, 161335), (14953, 126485), (25297, 74765), (32267, 58615)]