72009890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1217}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 133210224

約数和(自身を除く): 61200334

約数列:

[1, 2, 5, 10, 61, 97, 122, 194, 305, 485, 610, 970, 1217, 2434, 5917, 6085, 11834, 12170, 29585, 59170, 74237, 118049, 148474, 236098, 371185, 590245, 742370, 1180490, 7200989, 14401978, 36004945, 72009890]

約数ペア:

[(1, 72009890), (2, 36004945), (5, 14401978), (10, 7200989), (61, 1180490), (97, 742370), (122, 590245), (194, 371185), (305, 236098), (485, 148474), (610, 118049), (970, 74237), (1217, 59170), (2434, 29585), (5917, 12170), (6085, 11834)]