66855376

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 158025600

約数和(自身を除く): 91170224

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 89, 112, 133, 152, 178, 266, 304, 353, 356, 532, 623, 706, 712, 1064, 1246, 1412, 1424, 1691, 2128, 2471, 2492, 2824, 3382, 4942, 4984, 5648, 6707, 6764, 9884, 9968, 11837, 13414, 13528, 19768, 23674, 26828, 27056, 31417, 39536, 46949, 47348, 53656, 62834, 93898, 94696, 107312, 125668, 187796, 189392, 219919, 251336, 375592, 439838, 502672, 596923, 751184, 879676, 1193846, 1759352, 2387692, 3518704, 4178461, 4775384, 8356922, 9550768, 16713844, 33427688, 66855376]

約数ペア:

[(1, 66855376), (2, 33427688), (4, 16713844), (7, 9550768), (8, 8356922), (14, 4775384), (16, 4178461), (19, 3518704), (28, 2387692), (38, 1759352), (56, 1193846), (76, 879676), (89, 751184), (112, 596923), (133, 502672), (152, 439838), (178, 375592), (266, 251336), (304, 219919), (353, 189392), (356, 187796), (532, 125668), (623, 107312), (706, 94696), (712, 93898), (1064, 62834), (1246, 53656), (1412, 47348), (1424, 46949), (1691, 39536), (2128, 31417), (2471, 27056), (2492, 26828), (2824, 23674), (3382, 19768), (4942, 13528), (4984, 13414), (5648, 11837), (6707, 9968), (6764, 9884)]