31130970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79823}}^1$

素因数の和:79846

約数の個数: 32

約数和(自身を含む): 80462592

約数和(自身を除く): 49331622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 79823, 159646, 239469, 399115, 478938, 798230, 1037699, 1197345, 2075398, 2394690, 3113097, 5188495, 6226194, 10376990, 15565485, 31130970]

約数ペア:

[(1, 31130970), (2, 15565485), (3, 10376990), (5, 6226194), (6, 5188495), (10, 3113097), (13, 2394690), (15, 2075398), (26, 1197345), (30, 1037699), (39, 798230), (65, 478938), (78, 399115), (130, 239469), (195, 159646), (390, 79823)]