821312544

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1823}}^1$

素因数の和:1887

約数の個数: 144

約数和(自身を含む): 2451762432

約数和(自身を除く): 1630449888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 76, 78, 96, 104, 114, 152, 156, 208, 228, 247, 304, 312, 361, 416, 456, 494, 608, 624, 722, 741, 912, 988, 1083, 1248, 1444, 1482, 1823, 1824, 1976, 2166, 2888, 2964, 3646, 3952, 4332, 4693, 5469, 5776, 5928, 7292, 7904, 8664, 9386, 10938, 11552, 11856, 14079, 14584, 17328, 18772, 21876, 23699, 23712, 28158, 29168, 34637, 34656, 37544, 43752, 47398, 56316, 58336, 69274, 71097, 75088, 87504, 94796, 103911, 112632, 138548, 142194, 150176, 175008, 189592, 207822, 225264, 277096, 284388, 379184, 415644, 450281, 450528, 554192, 568776, 658103, 758368, 831288, 900562, 1108384, 1137552, 1316206, 1350843, 1662576, 1801124, 1974309, 2275104, 2632412, 2701686, 3325152, 3602248, 3948618, 5264824, 5403372, 7204496, 7897236, 8555339, 10529648, 10806744, 14408992, 15794472, 17110678, 21059296, 21613488, 25666017, 31588944, 34221356, 43226976, 51332034, 63177888, 68442712, 102664068, 136885424, 205328136, 273770848, 410656272, 821312544]

約数ペア:

[(1, 821312544), (2, 410656272), (3, 273770848), (4, 205328136), (6, 136885424), (8, 102664068), (12, 68442712), (13, 63177888), (16, 51332034), (19, 43226976), (24, 34221356), (26, 31588944), (32, 25666017), (38, 21613488), (39, 21059296), (48, 17110678), (52, 15794472), (57, 14408992), (76, 10806744), (78, 10529648), (96, 8555339), (104, 7897236), (114, 7204496), (152, 5403372), (156, 5264824), (208, 3948618), (228, 3602248), (247, 3325152), (304, 2701686), (312, 2632412), (361, 2275104), (416, 1974309), (456, 1801124), (494, 1662576), (608, 1350843), (624, 1316206), (722, 1137552), (741, 1108384), (912, 900562), (988, 831288), (1083, 758368), (1248, 658103), (1444, 568776), (1482, 554192), (1823, 450528), (1824, 450281), (1976, 415644), (2166, 379184), (2888, 284388), (2964, 277096), (3646, 225264), (3952, 207822), (4332, 189592), (4693, 175008), (5469, 150176), (5776, 142194), (5928, 138548), (7292, 112632), (7904, 103911), (8664, 94796), (9386, 87504), (10938, 75088), (11552, 71097), (11856, 69274), (14079, 58336), (14584, 56316), (17328, 47398), (18772, 43752), (21876, 37544), (23699, 34656), (23712, 34637), (28158, 29168)]