208822406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{77977}}^1$

素因数の和:78095

約数の個数: 16

約数和(自身を含む): 340607904

約数和(自身を除く): 131785498

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 77977, 155954, 1013701, 2027402, 8031631, 16063262, 104411203, 208822406]

約数ペア:

[(1, 208822406), (2, 104411203), (13, 16063262), (26, 8031631), (103, 2027402), (206, 1013701), (1339, 155954), (2678, 77977)]