221775184

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{155741}}^1$

素因数の和:155838

約数の個数: 20

約数和(自身を含む): 434520180

約数和(自身を除く): 212744996

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 155741, 311482, 622964, 1245928, 2491856, 13860949, 27721898, 55443796, 110887592, 221775184]

約数ペア:

[(1, 221775184), (2, 110887592), (4, 55443796), (8, 27721898), (16, 13860949), (89, 2491856), (178, 1245928), (356, 622964), (712, 311482), (1424, 155741)]