287384292

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{929}}^1$

素因数の和:1613

約数の個数: 72

約数和(自身を含む): 784350840

約数和(自身を除く): 496966548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 661, 929, 1322, 1858, 1983, 2644, 2787, 3716, 3966, 5574, 5949, 7932, 8361, 8593, 11148, 11898, 12077, 16722, 17186, 23796, 24154, 25779, 33444, 34372, 36231, 48308, 51558, 72462, 77337, 103116, 108693, 144924, 154674, 217386, 309348, 434772, 614069, 1228138, 1842207, 2456276, 3684414, 5526621, 7368828, 7982897, 11053242, 15965794, 22106484, 23948691, 31931588, 47897382, 71846073, 95794764, 143692146, 287384292]

約数ペア:

[(1, 287384292), (2, 143692146), (3, 95794764), (4, 71846073), (6, 47897382), (9, 31931588), (12, 23948691), (13, 22106484), (18, 15965794), (26, 11053242), (36, 7982897), (39, 7368828), (52, 5526621), (78, 3684414), (117, 2456276), (156, 1842207), (234, 1228138), (468, 614069), (661, 434772), (929, 309348), (1322, 217386), (1858, 154674), (1983, 144924), (2644, 108693), (2787, 103116), (3716, 77337), (3966, 72462), (5574, 51558), (5949, 48308), (7932, 36231), (8361, 34372), (8593, 33444), (11148, 25779), (11898, 24154), (12077, 23796), (16722, 17186)]