199360007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 260858880

約数和(自身を除く): 61498873

約数列:

[1, 7, 11, 29, 73, 77, 203, 319, 511, 803, 1223, 2117, 2233, 5621, 8561, 13453, 14819, 23287, 35467, 89279, 94171, 163009, 248269, 390137, 624953, 982069, 2589091, 2730959, 6874483, 18123637, 28480001, 199360007]

約数ペア:

[(1, 199360007), (7, 28480001), (11, 18123637), (29, 6874483), (73, 2730959), (77, 2589091), (203, 982069), (319, 624953), (511, 390137), (803, 248269), (1223, 163009), (2117, 94171), (2233, 89279), (5621, 35467), (8561, 23287), (13453, 14819)]