397820410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{8669}}^1$

素因数の和:9042

約数の個数: 32

約数和(自身を含む): 773433360

約数和(自身を除く): 375612950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 353, 706, 1765, 3530, 4589, 8669, 9178, 17338, 22945, 43345, 45890, 86690, 112697, 225394, 563485, 1126970, 3060157, 6120314, 15300785, 30601570, 39782041, 79564082, 198910205, 397820410]

約数ペア:

[(1, 397820410), (2, 198910205), (5, 79564082), (10, 39782041), (13, 30601570), (26, 15300785), (65, 6120314), (130, 3060157), (353, 1126970), (706, 563485), (1765, 225394), (3530, 112697), (4589, 86690), (8669, 45890), (9178, 43345), (17338, 22945)]