640478952

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{34613}}^1$

素因数の和:34882

約数の個数: 48

約数和(自身を含む): 1741430340

約数和(自身を除く): 1100951388

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 1028, 1542, 2056, 2313, 3084, 4626, 6168, 9252, 18504, 34613, 69226, 103839, 138452, 207678, 276904, 311517, 415356, 623034, 830712, 1246068, 2492136, 8895541, 17791082, 26686623, 35582164, 53373246, 71164328, 80059869, 106746492, 160119738, 213492984, 320239476, 640478952]

約数ペア:

[(1, 640478952), (2, 320239476), (3, 213492984), (4, 160119738), (6, 106746492), (8, 80059869), (9, 71164328), (12, 53373246), (18, 35582164), (24, 26686623), (36, 17791082), (72, 8895541), (257, 2492136), (514, 1246068), (771, 830712), (1028, 623034), (1542, 415356), (2056, 311517), (2313, 276904), (3084, 207678), (4626, 138452), (6168, 103839), (9252, 69226), (18504, 34613)]