212979156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1365251}}^1$

素因数の和:1365271

約数の個数: 24

約数和(自身を含む): 535178784

約数和(自身を除く): 322199628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1365251, 2730502, 4095753, 5461004, 8191506, 16383012, 17748263, 35496526, 53244789, 70993052, 106489578, 212979156]

約数ペア:

[(1, 212979156), (2, 106489578), (3, 70993052), (4, 53244789), (6, 35496526), (12, 17748263), (13, 16383012), (26, 8191506), (39, 5461004), (52, 4095753), (78, 2730502), (156, 1365251)]