71531264

素因数分解:

$2^8\times 7^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 164828160

約数和(自身を除く): 93296896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 179, 223, 224, 256, 358, 446, 448, 716, 892, 896, 1253, 1432, 1561, 1784, 1792, 2506, 2864, 3122, 3568, 5012, 5728, 6244, 7136, 10024, 11456, 12488, 14272, 20048, 22912, 24976, 28544, 39917, 40096, 45824, 49952, 57088, 79834, 80192, 99904, 159668, 160384, 199808, 279419, 319336, 320768, 399616, 558838, 638672, 1117676, 1277344, 2235352, 2554688, 4470704, 5109376, 8941408, 10218752, 17882816, 35765632, 71531264]

約数ペア:

[(1, 71531264), (2, 35765632), (4, 17882816), (7, 10218752), (8, 8941408), (14, 5109376), (16, 4470704), (28, 2554688), (32, 2235352), (56, 1277344), (64, 1117676), (112, 638672), (128, 558838), (179, 399616), (223, 320768), (224, 319336), (256, 279419), (358, 199808), (446, 160384), (448, 159668), (716, 99904), (892, 80192), (896, 79834), (1253, 57088), (1432, 49952), (1561, 45824), (1784, 40096), (1792, 39917), (2506, 28544), (2864, 24976), (3122, 22912), (3568, 20048), (5012, 14272), (5728, 12488), (6244, 11456), (7136, 10024)]