177543184

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2088

約数の個数: 80

約数和(自身を含む): 430528000

約数和(自身を除く): 252984816

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 364, 427, 488, 728, 793, 854, 976, 1456, 1586, 1708, 1999, 3172, 3416, 3998, 5551, 6344, 6832, 7996, 11102, 12688, 13993, 15992, 22204, 25987, 27986, 31984, 44408, 51974, 55972, 88816, 103948, 111944, 121939, 181909, 207896, 223888, 243878, 363818, 415792, 487756, 727636, 853573, 975512, 1455272, 1585207, 1707146, 1951024, 2910544, 3170414, 3414292, 6340828, 6828584, 11096449, 12681656, 13657168, 22192898, 25363312, 44385796, 88771592, 177543184]

約数ペア:

[(1, 177543184), (2, 88771592), (4, 44385796), (7, 25363312), (8, 22192898), (13, 13657168), (14, 12681656), (16, 11096449), (26, 6828584), (28, 6340828), (52, 3414292), (56, 3170414), (61, 2910544), (91, 1951024), (104, 1707146), (112, 1585207), (122, 1455272), (182, 975512), (208, 853573), (244, 727636), (364, 487756), (427, 415792), (488, 363818), (728, 243878), (793, 223888), (854, 207896), (976, 181909), (1456, 121939), (1586, 111944), (1708, 103948), (1999, 88816), (3172, 55972), (3416, 51974), (3998, 44408), (5551, 31984), (6344, 27986), (6832, 25987), (7996, 22204), (11102, 15992), (12688, 13993)]