71389696

素因数分解:

$2^9\times 7^1\times {\mathrm{19919}}^1$

素因数の和:19944

約数の個数: 40

約数和(自身を含む): 163025280

約数和(自身を除く): 91635584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 19919, 39838, 79676, 139433, 159352, 278866, 318704, 557732, 637408, 1115464, 1274816, 2230928, 2549632, 4461856, 5099264, 8923712, 10198528, 17847424, 35694848, 71389696]

約数ペア:

[(1, 71389696), (2, 35694848), (4, 17847424), (7, 10198528), (8, 8923712), (14, 5099264), (16, 4461856), (28, 2549632), (32, 2230928), (56, 1274816), (64, 1115464), (112, 637408), (128, 557732), (224, 318704), (256, 278866), (448, 159352), (512, 139433), (896, 79676), (1792, 39838), (3584, 19919)]