777738248

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 1824768000

約数和(自身を除く): 1047029752

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 56, 76, 86, 89, 133, 152, 172, 178, 191, 266, 301, 344, 356, 382, 532, 602, 623, 712, 764, 817, 1064, 1204, 1246, 1337, 1528, 1634, 1691, 2408, 2492, 2674, 3268, 3382, 3629, 3827, 4984, 5348, 5719, 6536, 6764, 7258, 7654, 8213, 10696, 11438, 11837, 13528, 14516, 15308, 16426, 16999, 22876, 23674, 25403, 26789, 29032, 30616, 32852, 33998, 45752, 47348, 50806, 53578, 57491, 65704, 67996, 72713, 94696, 101612, 107156, 114982, 118993, 135992, 145426, 156047, 203224, 214312, 229964, 237986, 290852, 312094, 322981, 459928, 475972, 508991, 581704, 624188, 645962, 730957, 951944, 1017982, 1092329, 1248376, 1291924, 1461914, 2035964, 2184658, 2260867, 2583848, 2923828, 4071928, 4369316, 4521734, 5116699, 5847656, 8738632, 9043468, 10233398, 13888183, 18086936, 20466796, 27776366, 40933592, 55552732, 97217281, 111105464, 194434562, 388869124, 777738248]

約数ペア:

[(1, 777738248), (2, 388869124), (4, 194434562), (7, 111105464), (8, 97217281), (14, 55552732), (19, 40933592), (28, 27776366), (38, 20466796), (43, 18086936), (56, 13888183), (76, 10233398), (86, 9043468), (89, 8738632), (133, 5847656), (152, 5116699), (172, 4521734), (178, 4369316), (191, 4071928), (266, 2923828), (301, 2583848), (344, 2260867), (356, 2184658), (382, 2035964), (532, 1461914), (602, 1291924), (623, 1248376), (712, 1092329), (764, 1017982), (817, 951944), (1064, 730957), (1204, 645962), (1246, 624188), (1337, 581704), (1528, 508991), (1634, 475972), (1691, 459928), (2408, 322981), (2492, 312094), (2674, 290852), (3268, 237986), (3382, 229964), (3629, 214312), (3827, 203224), (4984, 156047), (5348, 145426), (5719, 135992), (6536, 118993), (6764, 114982), (7258, 107156), (7654, 101612), (8213, 94696), (10696, 72713), (11438, 67996), (11837, 65704), (13528, 57491), (14516, 53578), (15308, 50806), (16426, 47348), (16999, 45752), (22876, 33998), (23674, 32852), (25403, 30616), (26789, 29032)]