129971716

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21391}}^1$

素因数の和:21440

約数の個数: 36

約数和(自身を含む): 273133056

約数和(自身を除く): 143161340

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 21391, 42782, 85564, 149737, 299474, 598948, 663121, 1048159, 1326242, 2096318, 2652484, 4192636, 4641847, 9283694, 18567388, 32492929, 64985858, 129971716]

約数ペア:

[(1, 129971716), (2, 64985858), (4, 32492929), (7, 18567388), (14, 9283694), (28, 4641847), (31, 4192636), (49, 2652484), (62, 2096318), (98, 1326242), (124, 1048159), (196, 663121), (217, 598948), (434, 299474), (868, 149737), (1519, 85564), (3038, 42782), (6076, 21391)]