255998288

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{911}}^1$

素因数の和:1132

約数の個数: 80

約数和(自身を含む): 614294016

約数和(自身を除く): 358295728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 193, 208, 364, 386, 728, 772, 911, 1351, 1456, 1544, 1822, 2509, 2702, 3088, 3644, 5018, 5404, 6377, 7288, 10036, 10808, 11843, 12754, 14576, 17563, 20072, 21616, 23686, 25508, 35126, 40144, 47372, 51016, 70252, 82901, 94744, 102032, 140504, 165802, 175823, 189488, 281008, 331604, 351646, 663208, 703292, 1230761, 1326416, 1406584, 2285699, 2461522, 2813168, 4571398, 4923044, 9142796, 9846088, 15999893, 18285592, 19692176, 31999786, 36571184, 63999572, 127999144, 255998288]

約数ペア:

[(1, 255998288), (2, 127999144), (4, 63999572), (7, 36571184), (8, 31999786), (13, 19692176), (14, 18285592), (16, 15999893), (26, 9846088), (28, 9142796), (52, 4923044), (56, 4571398), (91, 2813168), (104, 2461522), (112, 2285699), (182, 1406584), (193, 1326416), (208, 1230761), (364, 703292), (386, 663208), (728, 351646), (772, 331604), (911, 281008), (1351, 189488), (1456, 175823), (1544, 165802), (1822, 140504), (2509, 102032), (2702, 94744), (3088, 82901), (3644, 70252), (5018, 51016), (5404, 47372), (6377, 40144), (7288, 35126), (10036, 25508), (10808, 23686), (11843, 21616), (12754, 20072), (14576, 17563)]