28219198

素因数分解:

$2^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{2851}}^1$

素因数の和:2968

約数の個数: 24

約数和(自身を含む): 49744584

約数和(自身を除く): 21525386

約数列:

[1, 2, 7, 14, 49, 98, 101, 202, 707, 1414, 2851, 4949, 5702, 9898, 19957, 39914, 139699, 279398, 287951, 575902, 2015657, 4031314, 14109599, 28219198]

約数ペア:

[(1, 28219198), (2, 14109599), (7, 4031314), (14, 2015657), (49, 575902), (98, 287951), (101, 279398), (202, 139699), (707, 39914), (1414, 19957), (2851, 9898), (4949, 5702)]