28957115

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 39874464

約数和(自身を除く): 10917349

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 2081, 2783, 10405, 13915, 22891, 47863, 114455, 239315, 251801, 526493, 1259005, 2632465, 5791423, 28957115]

約数ペア:

[(1, 28957115), (5, 5791423), (11, 2632465), (23, 1259005), (55, 526493), (115, 251801), (121, 239315), (253, 114455), (605, 47863), (1265, 22891), (2081, 13915), (2783, 10405)]