81853616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2039}}^1$

素因数の和:2253

約数の個数: 40

約数和(自身を含む): 171759840

約数和(自身を除く): 89906224

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 386, 772, 1544, 2039, 2509, 3088, 4078, 5018, 8156, 10036, 16312, 20072, 26507, 32624, 40144, 53014, 106028, 212056, 393527, 424112, 787054, 1574108, 3148216, 5115851, 6296432, 10231702, 20463404, 40926808, 81853616]

約数ペア:

[(1, 81853616), (2, 40926808), (4, 20463404), (8, 10231702), (13, 6296432), (16, 5115851), (26, 3148216), (52, 1574108), (104, 787054), (193, 424112), (208, 393527), (386, 212056), (772, 106028), (1544, 53014), (2039, 40144), (2509, 32624), (3088, 26507), (4078, 20072), (5018, 16312), (8156, 10036)]