219879998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{19531}}^1$

素因数の和:19979

約数の個数: 16

約数和(自身を含む): 356029296

約数和(自身を除く): 136149298

約数列:

[1, 2, 13, 26, 433, 866, 5629, 11258, 19531, 39062, 253903, 507806, 8456923, 16913846, 109939999, 219879998]

約数ペア:

[(1, 219879998), (2, 109939999), (13, 16913846), (26, 8456923), (433, 507806), (866, 253903), (5629, 39062), (11258, 19531)]