217871651

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{3923}}^1$

素因数の和:4058

約数の個数: 16

約数和(自身を含む): 238579200

約数和(自身を除く): 20707549

約数列:

[1, 19, 37, 79, 703, 1501, 2923, 3923, 55537, 74537, 145151, 309917, 2757869, 5888423, 11466929, 217871651]

約数ペア:

[(1, 217871651), (19, 11466929), (37, 5888423), (79, 2757869), (703, 309917), (1501, 145151), (2923, 74537), (3923, 55537)]