291229805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 378263520

約数和(自身を除く): 87033715

約数列:

[1, 5, 17, 85, 89, 137, 281, 445, 685, 1405, 1513, 2329, 4777, 7565, 11645, 12193, 23885, 25009, 38497, 60965, 125045, 192485, 207281, 425153, 654449, 1036405, 2125765, 3272245, 3426233, 17131165, 58245961, 291229805]

約数ペア:

[(1, 291229805), (5, 58245961), (17, 17131165), (85, 3426233), (89, 3272245), (137, 2125765), (281, 1036405), (445, 654449), (685, 425153), (1405, 207281), (1513, 192485), (2329, 125045), (4777, 60965), (7565, 38497), (11645, 25009), (12193, 23885)]