28721008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{94477}}^1$

素因数の和:94504

約数の個数: 20

約数和(自身を含む): 58576360

約数和(自身を除く): 29855352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 94477, 188954, 377908, 755816, 1511632, 1795063, 3590126, 7180252, 14360504, 28721008]

約数ペア:

[(1, 28721008), (2, 14360504), (4, 7180252), (8, 3590126), (16, 1795063), (19, 1511632), (38, 755816), (76, 377908), (152, 188954), (304, 94477)]