28864784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:1995

約数の個数: 40

約数和(自身を含む): 61084632

約数和(自身を除く): 32219848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 1901, 3796, 3802, 7592, 7604, 15184, 15208, 24713, 30416, 49426, 98852, 138773, 197704, 277546, 395408, 555092, 1110184, 1804049, 2220368, 3608098, 7216196, 14432392, 28864784]

約数ペア:

[(1, 28864784), (2, 14432392), (4, 7216196), (8, 3608098), (13, 2220368), (16, 1804049), (26, 1110184), (52, 555092), (73, 395408), (104, 277546), (146, 197704), (208, 138773), (292, 98852), (584, 49426), (949, 30416), (1168, 24713), (1898, 15208), (1901, 15184), (3796, 7604), (3802, 7592)]