221151272

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{2069}}^1$

素因数の和:2537

約数の個数: 32

約数和(自身を含む): 429235200

約数和(自身を除く): 208083928

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 431, 862, 1724, 2069, 3448, 4138, 8276, 13361, 16552, 26722, 53444, 64139, 106888, 128278, 256556, 513112, 891739, 1783478, 3566956, 7133912, 27643909, 55287818, 110575636, 221151272]

約数ペア:

[(1, 221151272), (2, 110575636), (4, 55287818), (8, 27643909), (31, 7133912), (62, 3566956), (124, 1783478), (248, 891739), (431, 513112), (862, 256556), (1724, 128278), (2069, 106888), (3448, 64139), (4138, 53444), (8276, 26722), (13361, 16552)]