84405776

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2056

約数の個数: 80

約数和(自身を含む): 208320000

約数和(自身を除く): 123914224

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 232, 364, 377, 406, 464, 728, 754, 812, 1456, 1508, 1624, 1999, 2639, 3016, 3248, 3998, 5278, 6032, 7996, 10556, 13993, 15992, 21112, 25987, 27986, 31984, 42224, 51974, 55972, 57971, 103948, 111944, 115942, 181909, 207896, 223888, 231884, 363818, 405797, 415792, 463768, 727636, 753623, 811594, 927536, 1455272, 1507246, 1623188, 2910544, 3014492, 3246376, 5275361, 6028984, 6492752, 10550722, 12057968, 21101444, 42202888, 84405776]

約数ペア:

[(1, 84405776), (2, 42202888), (4, 21101444), (7, 12057968), (8, 10550722), (13, 6492752), (14, 6028984), (16, 5275361), (26, 3246376), (28, 3014492), (29, 2910544), (52, 1623188), (56, 1507246), (58, 1455272), (91, 927536), (104, 811594), (112, 753623), (116, 727636), (182, 463768), (203, 415792), (208, 405797), (232, 363818), (364, 231884), (377, 223888), (406, 207896), (464, 181909), (728, 115942), (754, 111944), (812, 103948), (1456, 57971), (1508, 55972), (1624, 51974), (1999, 42224), (2639, 31984), (3016, 27986), (3248, 25987), (3998, 21112), (5278, 15992), (6032, 13993), (7996, 10556)]