28875638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{12743}}^1$

素因数の和:12859

約数の個数: 16

約数和(自身を含む): 47713536

約数和(自身を除く): 18837898

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 12743, 25486, 140173, 280346, 1312529, 2625058, 14437819, 28875638]

約数ペア:

[(1, 28875638), (2, 14437819), (11, 2625058), (22, 1312529), (103, 280346), (206, 140173), (1133, 25486), (2266, 12743)]