16421888

素因数分解:

$2^{10}\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 88

約数和(自身を含む): 39302400

約数和(自身を除く): 22880512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 79, 112, 116, 128, 158, 203, 224, 232, 256, 316, 406, 448, 464, 512, 553, 632, 812, 896, 928, 1024, 1106, 1264, 1624, 1792, 1856, 2212, 2291, 2528, 3248, 3584, 3712, 4424, 4582, 5056, 6496, 7168, 7424, 8848, 9164, 10112, 12992, 14848, 16037, 17696, 18328, 20224, 25984, 29696, 32074, 35392, 36656, 40448, 51968, 64148, 70784, 73312, 80896, 103936, 128296, 141568, 146624, 207872, 256592, 283136, 293248, 513184, 566272, 586496, 1026368, 1172992, 2052736, 2345984, 4105472, 8210944, 16421888]

約数ペア:

[(1, 16421888), (2, 8210944), (4, 4105472), (7, 2345984), (8, 2052736), (14, 1172992), (16, 1026368), (28, 586496), (29, 566272), (32, 513184), (56, 293248), (58, 283136), (64, 256592), (79, 207872), (112, 146624), (116, 141568), (128, 128296), (158, 103936), (203, 80896), (224, 73312), (232, 70784), (256, 64148), (316, 51968), (406, 40448), (448, 36656), (464, 35392), (512, 32074), (553, 29696), (632, 25984), (812, 20224), (896, 18328), (928, 17696), (1024, 16037), (1106, 14848), (1264, 12992), (1624, 10112), (1792, 9164), (1856, 8848), (2212, 7424), (2291, 7168), (2528, 6496), (3248, 5056), (3584, 4582), (3712, 4424)]