289363984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{563}}^1$

素因数の和:944

約数の個数: 80

約数和(自身を含む): 693205632

約数和(自身を除く): 403841648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 353, 364, 563, 706, 728, 1126, 1412, 1456, 2252, 2471, 2824, 3941, 4504, 4589, 4942, 5648, 7319, 7882, 9008, 9178, 9884, 14638, 15764, 18356, 19768, 29276, 31528, 32123, 36712, 39536, 51233, 58552, 63056, 64246, 73424, 102466, 117104, 128492, 198739, 204932, 256984, 397478, 409864, 513968, 794956, 819728, 1391173, 1589912, 2583607, 2782346, 3179824, 5167214, 5564692, 10334428, 11129384, 18085249, 20668856, 22258768, 36170498, 41337712, 72340996, 144681992, 289363984]

約数ペア:

[(1, 289363984), (2, 144681992), (4, 72340996), (7, 41337712), (8, 36170498), (13, 22258768), (14, 20668856), (16, 18085249), (26, 11129384), (28, 10334428), (52, 5564692), (56, 5167214), (91, 3179824), (104, 2782346), (112, 2583607), (182, 1589912), (208, 1391173), (353, 819728), (364, 794956), (563, 513968), (706, 409864), (728, 397478), (1126, 256984), (1412, 204932), (1456, 198739), (2252, 128492), (2471, 117104), (2824, 102466), (3941, 73424), (4504, 64246), (4589, 63056), (4942, 58552), (5648, 51233), (7319, 39536), (7882, 36712), (9008, 32123), (9178, 31528), (9884, 29276), (14638, 19768), (15764, 18356)]