219930193

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{1049}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 256233600

約数和(自身を除く): 36303407

約数列:

[1, 7, 61, 427, 491, 1049, 3437, 7343, 29951, 63989, 209657, 447923, 515059, 3605413, 31418599, 219930193]

約数ペア:

[(1, 219930193), (7, 31418599), (61, 3605413), (427, 515059), (491, 447923), (1049, 209657), (3437, 63989), (7343, 29951)]