253897

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 16

約数和(自身を含む): 322560

約数和(自身を除く): 68663

約数列:

[1, 7, 19, 23, 83, 133, 161, 437, 581, 1577, 1909, 3059, 11039, 13363, 36271, 253897]

約数ペア:

[(1, 253897), (7, 36271), (19, 13363), (23, 11039), (83, 3059), (133, 1909), (161, 1577), (437, 581)]