28328690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{607}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 26829070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 359, 607, 718, 1214, 1795, 3035, 3590, 4667, 6070, 7891, 9334, 15782, 23335, 39455, 46670, 78910, 217913, 435826, 1089565, 2179130, 2832869, 5665738, 14164345, 28328690]

約数ペア:

[(1, 28328690), (2, 14164345), (5, 5665738), (10, 2832869), (13, 2179130), (26, 1089565), (65, 435826), (130, 217913), (359, 78910), (607, 46670), (718, 39455), (1214, 23335), (1795, 15782), (3035, 9334), (3590, 7891), (4667, 6070)]