28120378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{98323}}^1$

素因数の和:98349

約数の個数: 16

約数和(自身を含む): 49555296

約数和(自身を除く): 21434918

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 98323, 196646, 1081553, 1278199, 2163106, 2556398, 14060189, 28120378]

約数ペア:

[(1, 28120378), (2, 14060189), (11, 2556398), (13, 2163106), (22, 1278199), (26, 1081553), (143, 196646), (286, 98323)]