81300352

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2979

約数の個数: 64

約数和(自身を含む): 191139840

約数和(自身を除く): 109839488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 2927, 3472, 3968, 5854, 6944, 11708, 13888, 20489, 23416, 27776, 40978, 46832, 81956, 90737, 93664, 163912, 181474, 187328, 327824, 362948, 374656, 635159, 655648, 725896, 1270318, 1311296, 1451792, 2540636, 2622592, 2903584, 5081272, 5807168, 10162544, 11614336, 20325088, 40650176, 81300352]

約数ペア:

[(1, 81300352), (2, 40650176), (4, 20325088), (7, 11614336), (8, 10162544), (14, 5807168), (16, 5081272), (28, 2903584), (31, 2622592), (32, 2540636), (56, 1451792), (62, 1311296), (64, 1270318), (112, 725896), (124, 655648), (128, 635159), (217, 374656), (224, 362948), (248, 327824), (434, 187328), (448, 181474), (496, 163912), (868, 93664), (896, 90737), (992, 81956), (1736, 46832), (1984, 40978), (2927, 27776), (3472, 23416), (3968, 20489), (5854, 13888), (6944, 11708)]