81947836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{8231}}^1$

素因数の和:8385

約数の個数: 24

約数和(自身を含む): 152127360

約数和(自身を除く): 70179524

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 8231, 9956, 16462, 32924, 156389, 312778, 625556, 1078261, 2156522, 4313044, 20486959, 40973918, 81947836]

約数ペア:

[(1, 81947836), (2, 40973918), (4, 20486959), (19, 4313044), (38, 2156522), (76, 1078261), (131, 625556), (262, 312778), (524, 156389), (2489, 32924), (4978, 16462), (8231, 9956)]