28937974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{10211}}^1$

素因数の和:10335

約数の個数: 16

約数和(自身を含む): 47179440

約数和(自身を除く): 18241466

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 10211, 20422, 132743, 265486, 1112999, 2225998, 14468987, 28937974]

約数ペア:

[(1, 28937974), (2, 14468987), (13, 2225998), (26, 1112999), (109, 265486), (218, 132743), (1417, 20422), (2834, 10211)]