728278784

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 1512494592

約数和(自身を除く): 784215808

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 163, 248, 256, 326, 496, 563, 652, 992, 1126, 1304, 1984, 2252, 2608, 3968, 4504, 5053, 5216, 7936, 9008, 10106, 10432, 17453, 18016, 20212, 20864, 34906, 36032, 40424, 41728, 69812, 72064, 80848, 91769, 139624, 144128, 161696, 183538, 279248, 323392, 367076, 558496, 646784, 734152, 1116992, 1293568, 1468304, 2233984, 2844839, 2936608, 4467968, 5689678, 5873216, 11379356, 11746432, 22758712, 23492864, 45517424, 91034848, 182069696, 364139392, 728278784]

約数ペア:

[(1, 728278784), (2, 364139392), (4, 182069696), (8, 91034848), (16, 45517424), (31, 23492864), (32, 22758712), (62, 11746432), (64, 11379356), (124, 5873216), (128, 5689678), (163, 4467968), (248, 2936608), (256, 2844839), (326, 2233984), (496, 1468304), (563, 1293568), (652, 1116992), (992, 734152), (1126, 646784), (1304, 558496), (1984, 367076), (2252, 323392), (2608, 279248), (3968, 183538), (4504, 161696), (5053, 144128), (5216, 139624), (7936, 91769), (9008, 80848), (10106, 72064), (10432, 69812), (17453, 41728), (18016, 40424), (20212, 36032), (20864, 34906)]