28688429

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 9244627

約数列:

[1, 7, 11, 23, 77, 97, 161, 167, 253, 679, 1067, 1169, 1771, 1837, 2231, 3841, 7469, 12859, 15617, 16199, 24541, 26887, 42251, 113393, 171787, 178189, 295757, 372577, 1247323, 2608039, 4098347, 28688429]

約数ペア:

[(1, 28688429), (7, 4098347), (11, 2608039), (23, 1247323), (77, 372577), (97, 295757), (161, 178189), (167, 171787), (253, 113393), (679, 42251), (1067, 26887), (1169, 24541), (1771, 16199), (1837, 15617), (2231, 12859), (3841, 7469)]