1256090288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{4617979}}^1$

素因数の和:4618004

約数の個数: 20

約数和(自身を含む): 2576832840

約数和(自身を除く): 1320742552

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 4617979, 9235958, 18471916, 36943832, 73887664, 78505643, 157011286, 314022572, 628045144, 1256090288]

約数ペア:

[(1, 1256090288), (2, 628045144), (4, 314022572), (8, 157011286), (16, 78505643), (17, 73887664), (34, 36943832), (68, 18471916), (136, 9235958), (272, 4617979)]