71131648

素因数分解:

$2^9\times 7^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:337

約数の個数: 80

約数和(自身を含む): 164989440

約数和(自身を除く): 93857792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 223, 224, 256, 356, 446, 448, 512, 623, 712, 892, 896, 1246, 1424, 1561, 1784, 1792, 2492, 2848, 3122, 3568, 3584, 4984, 5696, 6244, 7136, 9968, 11392, 12488, 14272, 19847, 19936, 22784, 24976, 28544, 39694, 39872, 45568, 49952, 57088, 79388, 79744, 99904, 114176, 138929, 158776, 159488, 199808, 277858, 317552, 318976, 399616, 555716, 635104, 799232, 1111432, 1270208, 2222864, 2540416, 4445728, 5080832, 8891456, 10161664, 17782912, 35565824, 71131648]

約数ペア:

[(1, 71131648), (2, 35565824), (4, 17782912), (7, 10161664), (8, 8891456), (14, 5080832), (16, 4445728), (28, 2540416), (32, 2222864), (56, 1270208), (64, 1111432), (89, 799232), (112, 635104), (128, 555716), (178, 399616), (223, 318976), (224, 317552), (256, 277858), (356, 199808), (446, 159488), (448, 158776), (512, 138929), (623, 114176), (712, 99904), (892, 79744), (896, 79388), (1246, 57088), (1424, 49952), (1561, 45568), (1784, 39872), (1792, 39694), (2492, 28544), (2848, 24976), (3122, 22784), (3568, 19936), (3584, 19847), (4984, 14272), (5696, 12488), (6244, 11392), (7136, 9968)]