66728768

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:427

約数の個数: 56

約数和(自身を含む): 138455400

約数和(自身を除く): 71726632

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 157, 229, 232, 314, 458, 464, 628, 916, 928, 1256, 1832, 1856, 2512, 3664, 4553, 5024, 6641, 7328, 9106, 10048, 13282, 14656, 18212, 26564, 35953, 36424, 53128, 71906, 72848, 106256, 143812, 145696, 212512, 287624, 291392, 425024, 575248, 1042637, 1150496, 2085274, 2300992, 4170548, 8341096, 16682192, 33364384, 66728768]

約数ペア:

[(1, 66728768), (2, 33364384), (4, 16682192), (8, 8341096), (16, 4170548), (29, 2300992), (32, 2085274), (58, 1150496), (64, 1042637), (116, 575248), (157, 425024), (229, 291392), (232, 287624), (314, 212512), (458, 145696), (464, 143812), (628, 106256), (916, 72848), (928, 71906), (1256, 53128), (1832, 36424), (1856, 35953), (2512, 26564), (3664, 18212), (4553, 14656), (5024, 13282), (6641, 10048), (7328, 9106)]