28743386

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 51437568

約数和(自身を除く): 22694182

約数列:

[1, 2, 7, 14, 31, 62, 103, 206, 217, 434, 643, 721, 1286, 1442, 3193, 4501, 6386, 9002, 19933, 22351, 39866, 44702, 66229, 132458, 139531, 279062, 463603, 927206, 2053099, 4106198, 14371693, 28743386]

約数ペア:

[(1, 28743386), (2, 14371693), (7, 4106198), (14, 2053099), (31, 927206), (62, 463603), (103, 279062), (206, 139531), (217, 132458), (434, 66229), (643, 44702), (721, 39866), (1286, 22351), (1442, 19933), (3193, 9002), (4501, 6386)]