289657985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{569}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 378963360

約数和(自身を除く): 89305375

約数列:

[1, 5, 17, 53, 85, 113, 265, 565, 569, 901, 1921, 2845, 4505, 5989, 9605, 9673, 29945, 30157, 48365, 64297, 101813, 150785, 321485, 509065, 512669, 1093049, 2563345, 3407741, 5465245, 17038705, 57931597, 289657985]

約数ペア:

[(1, 289657985), (5, 57931597), (17, 17038705), (53, 5465245), (85, 3407741), (113, 2563345), (265, 1093049), (565, 512669), (569, 509065), (901, 321485), (1921, 150785), (2845, 101813), (4505, 64297), (5989, 48365), (9605, 30157), (9673, 29945)]