28116142

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:971

約数の個数: 16

約数和(自身を含む): 42962400

約数和(自身を除く): 14846258

約数列:

[1, 2, 71, 142, 389, 509, 778, 1018, 27619, 36139, 55238, 72278, 198001, 396002, 14058071, 28116142]

約数ペア:

[(1, 28116142), (2, 14058071), (71, 396002), (142, 198001), (389, 72278), (509, 55238), (778, 36139), (1018, 27619)]