219723738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{122477}}^1$

素因数の和:122518

約数の個数: 32

約数和(自身を含む): 493831296

約数和(自身を除く): 274107558

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 122477, 244954, 367431, 734862, 1592201, 2816971, 3184402, 4776603, 5633942, 8450913, 9553206, 16901826, 36620623, 73241246, 109861869, 219723738]

約数ペア:

[(1, 219723738), (2, 109861869), (3, 73241246), (6, 36620623), (13, 16901826), (23, 9553206), (26, 8450913), (39, 5633942), (46, 4776603), (69, 3184402), (78, 2816971), (138, 1592201), (299, 734862), (598, 367431), (897, 244954), (1794, 122477)]