28727804

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7489}}^1$

素因数の和:7637

約数の個数: 24

約数和(自身を含む): 57882720

約数和(自身を除く): 29154916

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 7489, 14978, 29956, 52423, 104846, 209692, 1025993, 2051986, 4103972, 7181951, 14363902, 28727804]

約数ペア:

[(1, 28727804), (2, 14363902), (4, 7181951), (7, 4103972), (14, 2051986), (28, 1025993), (137, 209692), (274, 104846), (548, 52423), (959, 29956), (1918, 14978), (3836, 7489)]