640473408

素因数分解:

$2^6\times 3^2\times {\mathrm{1111933}}^1$

素因数の和:1111951

約数の個数: 42

約数和(自身を含む): 1835803034

約数和(自身を除く): 1195329626

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 1111933, 2223866, 3335799, 4447732, 6671598, 8895464, 10007397, 13343196, 17790928, 20014794, 26686392, 35581856, 40029588, 53372784, 71163712, 80059176, 106745568, 160118352, 213491136, 320236704, 640473408]

約数ペア:

[(1, 640473408), (2, 320236704), (3, 213491136), (4, 160118352), (6, 106745568), (8, 80059176), (9, 71163712), (12, 53372784), (16, 40029588), (18, 35581856), (24, 26686392), (32, 20014794), (36, 17790928), (48, 13343196), (64, 10007397), (72, 8895464), (96, 6671598), (144, 4447732), (192, 3335799), (288, 2223866), (576, 1111933)]