81574196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 162025920

約数和(自身を除く): 80451724

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 89, 148, 178, 356, 407, 563, 814, 979, 1126, 1628, 1958, 2252, 3293, 3916, 6193, 6586, 12386, 13172, 20831, 24772, 36223, 41662, 50107, 72446, 83324, 100214, 144892, 200428, 229141, 458282, 551177, 916564, 1102354, 1853959, 2204708, 3707918, 7415836, 20393549, 40787098, 81574196]

約数ペア:

[(1, 81574196), (2, 40787098), (4, 20393549), (11, 7415836), (22, 3707918), (37, 2204708), (44, 1853959), (74, 1102354), (89, 916564), (148, 551177), (178, 458282), (356, 229141), (407, 200428), (563, 144892), (814, 100214), (979, 83324), (1126, 72446), (1628, 50107), (1958, 41662), (2252, 36223), (3293, 24772), (3916, 20831), (6193, 13172), (6586, 12386)]