28386988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53359}}^1$

素因数の和:53389

約数の個数: 24

約数和(自身を含む): 59763200

約数和(自身を除く): 31376212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 53359, 106718, 213436, 373513, 747026, 1013821, 1494052, 2027642, 4055284, 7096747, 14193494, 28386988]

約数ペア:

[(1, 28386988), (2, 14193494), (4, 7096747), (7, 4055284), (14, 2027642), (19, 1494052), (28, 1013821), (38, 747026), (76, 373513), (133, 213436), (266, 106718), (532, 53359)]