71637904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18127}}^1$

素因数の和:18167

約数の個数: 40

約数和(自身を含む): 157351040

約数和(自身を除く): 85713136

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 18127, 36254, 72508, 145016, 235651, 290032, 344413, 471302, 688826, 942604, 1377652, 1885208, 2755304, 3770416, 4477369, 5510608, 8954738, 17909476, 35818952, 71637904]

約数ペア:

[(1, 71637904), (2, 35818952), (4, 17909476), (8, 8954738), (13, 5510608), (16, 4477369), (19, 3770416), (26, 2755304), (38, 1885208), (52, 1377652), (76, 942604), (104, 688826), (152, 471302), (208, 344413), (247, 290032), (304, 235651), (494, 145016), (988, 72508), (1976, 36254), (3952, 18127)]