30548336

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20981}}^1$

素因数の和:21009

約数の個数: 40

約数和(自身を含む): 72849504

約数和(自身を除く): 42301168

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 20981, 41962, 83924, 146867, 167848, 272753, 293734, 335696, 545506, 587468, 1091012, 1174936, 1909271, 2182024, 2349872, 3818542, 4364048, 7637084, 15274168, 30548336]

約数ペア:

[(1, 30548336), (2, 15274168), (4, 7637084), (7, 4364048), (8, 3818542), (13, 2349872), (14, 2182024), (16, 1909271), (26, 1174936), (28, 1091012), (52, 587468), (56, 545506), (91, 335696), (104, 293734), (112, 272753), (182, 167848), (208, 146867), (364, 83924), (728, 41962), (1456, 20981)]