28694770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2143}}^1$

素因数の和:2266

約数の個数: 32

約数和(自身を含む): 56189952

約数和(自身を除く): 27495182

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2143, 2678, 4286, 6695, 10715, 13390, 21430, 27859, 55718, 139295, 220729, 278590, 441458, 1103645, 2207290, 2869477, 5738954, 14347385, 28694770]

約数ペア:

[(1, 28694770), (2, 14347385), (5, 5738954), (10, 2869477), (13, 2207290), (26, 1103645), (65, 441458), (103, 278590), (130, 220729), (206, 139295), (515, 55718), (1030, 27859), (1339, 21430), (2143, 13390), (2678, 10715), (4286, 6695)]