28712222

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5039}}^1$

素因数の和:5096

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 26445538

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 5039, 5698, 10078, 35273, 55429, 70546, 110858, 186443, 372886, 388003, 776006, 1305101, 2050873, 2610202, 4101746, 14356111, 28712222]

約数ペア:

[(1, 28712222), (2, 14356111), (7, 4101746), (11, 2610202), (14, 2050873), (22, 1305101), (37, 776006), (74, 388003), (77, 372886), (154, 186443), (259, 110858), (407, 70546), (518, 55429), (814, 35273), (2849, 10078), (5039, 5698)]