67144448

素因数分解:

$2^8\times 7^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 155262240

約数和(自身を除く): 88117792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 356, 421, 448, 623, 712, 842, 896, 1246, 1424, 1684, 1792, 2492, 2848, 2947, 3368, 4984, 5696, 5894, 6736, 9968, 11392, 11788, 13472, 19936, 22784, 23576, 26944, 37469, 39872, 47152, 53888, 74938, 79744, 94304, 107776, 149876, 159488, 188608, 262283, 299752, 377216, 524566, 599504, 754432, 1049132, 1199008, 2098264, 2398016, 4196528, 4796032, 8393056, 9592064, 16786112, 33572224, 67144448]

約数ペア:

[(1, 67144448), (2, 33572224), (4, 16786112), (7, 9592064), (8, 8393056), (14, 4796032), (16, 4196528), (28, 2398016), (32, 2098264), (56, 1199008), (64, 1049132), (89, 754432), (112, 599504), (128, 524566), (178, 377216), (224, 299752), (256, 262283), (356, 188608), (421, 159488), (448, 149876), (623, 107776), (712, 94304), (842, 79744), (896, 74938), (1246, 53888), (1424, 47152), (1684, 39872), (1792, 37469), (2492, 26944), (2848, 23576), (2947, 22784), (3368, 19936), (4984, 13472), (5696, 11788), (5894, 11392), (6736, 9968)]