221281944

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{709237}}^1$

素因数の和:709259

約数の個数: 32

約数和(自身を含む): 595759920

約数和(自身を除く): 374477976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 709237, 1418474, 2127711, 2836948, 4255422, 5673896, 8510844, 9220081, 17021688, 18440162, 27660243, 36880324, 55320486, 73760648, 110640972, 221281944]

約数ペア:

[(1, 221281944), (2, 110640972), (3, 73760648), (4, 55320486), (6, 36880324), (8, 27660243), (12, 18440162), (13, 17021688), (24, 9220081), (26, 8510844), (39, 5673896), (52, 4255422), (78, 2836948), (104, 2127711), (156, 1418474), (312, 709237)]