72643219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 81181440

約数和(自身を除く): 8538221

約数列:

[1, 11, 59, 173, 647, 649, 1903, 7117, 10207, 38173, 111931, 112277, 419903, 1231241, 6603929, 72643219]

約数ペア:

[(1, 72643219), (11, 6603929), (59, 1231241), (173, 419903), (647, 112277), (649, 111931), (1903, 38173), (7117, 10207)]