28543690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{17729}}^1$

素因数の和:17766

約数の個数: 32

約数和(自身を含む): 61274880

約数和(自身を除く): 32731190

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 17729, 35458, 88645, 124103, 177290, 248206, 407767, 620515, 815534, 1241030, 2038835, 2854369, 4077670, 5708738, 14271845, 28543690]

約数ペア:

[(1, 28543690), (2, 14271845), (5, 5708738), (7, 4077670), (10, 2854369), (14, 2038835), (23, 1241030), (35, 815534), (46, 620515), (70, 407767), (115, 248206), (161, 177290), (230, 124103), (322, 88645), (805, 35458), (1610, 17729)]