66980992

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{40253}}^1$

素因数の和:40280

約数の個数: 32

約数和(自身を含む): 143706780

約数和(自身を除く): 76725788

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 40253, 80506, 161012, 322024, 523289, 644048, 1046578, 1288096, 2093156, 2576192, 4186312, 5152384, 8372624, 16745248, 33490496, 66980992]

約数ペア:

[(1, 66980992), (2, 33490496), (4, 16745248), (8, 8372624), (13, 5152384), (16, 4186312), (26, 2576192), (32, 2093156), (52, 1288096), (64, 1046578), (104, 644048), (128, 523289), (208, 322024), (416, 161012), (832, 80506), (1664, 40253)]