28247830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1103}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 55085184

約数和(自身を除く): 26837354

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1103, 1970, 2206, 2561, 5122, 5515, 11030, 12805, 14339, 25610, 28678, 71695, 143390, 217291, 434582, 1086455, 2172910, 2824783, 5649566, 14123915, 28247830]

約数ペア:

[(1, 28247830), (2, 14123915), (5, 5649566), (10, 2824783), (13, 2172910), (26, 1086455), (65, 434582), (130, 217291), (197, 143390), (394, 71695), (985, 28678), (1103, 25610), (1970, 14339), (2206, 12805), (2561, 11030), (5122, 5515)]