16998688

素因数分解:

$2^5\times 7^2\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:354

約数の個数: 72

約数和(自身を含む): 40118652

約数和(自身を除く): 23119964

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 74, 98, 112, 148, 196, 224, 259, 293, 296, 392, 518, 586, 592, 784, 1036, 1172, 1184, 1568, 1813, 2051, 2072, 2344, 3626, 4102, 4144, 4688, 7252, 8204, 8288, 9376, 10841, 14357, 14504, 16408, 21682, 28714, 29008, 32816, 43364, 57428, 58016, 65632, 75887, 86728, 114856, 151774, 173456, 229712, 303548, 346912, 459424, 531209, 607096, 1062418, 1214192, 2124836, 2428384, 4249672, 8499344, 16998688]

約数ペア:

[(1, 16998688), (2, 8499344), (4, 4249672), (7, 2428384), (8, 2124836), (14, 1214192), (16, 1062418), (28, 607096), (32, 531209), (37, 459424), (49, 346912), (56, 303548), (74, 229712), (98, 173456), (112, 151774), (148, 114856), (196, 86728), (224, 75887), (259, 65632), (293, 58016), (296, 57428), (392, 43364), (518, 32816), (586, 29008), (592, 28714), (784, 21682), (1036, 16408), (1172, 14504), (1184, 14357), (1568, 10841), (1813, 9376), (2051, 8288), (2072, 8204), (2344, 7252), (3626, 4688), (4102, 4144)]