218130757

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{1297}}^1$

素因数の和:2088

約数の個数: 16

約数和(自身を含む): 249247152

約数和(自身を除く): 31116395

約数列:

[1, 13, 17, 221, 761, 1297, 9893, 12937, 16861, 22049, 168181, 286637, 987017, 12831221, 16779289, 218130757]

約数ペア:

[(1, 218130757), (13, 16779289), (17, 12831221), (221, 987017), (761, 286637), (1297, 168181), (9893, 22049), (12937, 16861)]