245288272

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{613}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 483082920

約数和(自身を除く): 237794648

約数列:

[1, 2, 4, 8, 16, 89, 178, 281, 356, 562, 613, 712, 1124, 1226, 1424, 2248, 2452, 4496, 4904, 9808, 25009, 50018, 54557, 100036, 109114, 172253, 200072, 218228, 344506, 400144, 436456, 689012, 872912, 1378024, 2756048, 15330517, 30661034, 61322068, 122644136, 245288272]

約数ペア:

[(1, 245288272), (2, 122644136), (4, 61322068), (8, 30661034), (16, 15330517), (89, 2756048), (178, 1378024), (281, 872912), (356, 689012), (562, 436456), (613, 400144), (712, 344506), (1124, 218228), (1226, 200072), (1424, 172253), (2248, 109114), (2452, 100036), (4496, 54557), (4904, 50018), (9808, 25009)]