1291264144

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{192611}}^1$

素因数の和:193038

約数の個数: 20

約数和(自身を含む): 2507808240

約数和(自身を除く): 1216544096

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3352, 6704, 192611, 385222, 770444, 1540888, 3081776, 80704009, 161408018, 322816036, 645632072, 1291264144]

約数ペア:

[(1, 1291264144), (2, 645632072), (4, 322816036), (8, 161408018), (16, 80704009), (419, 3081776), (838, 1540888), (1676, 770444), (3352, 385222), (6704, 192611)]