821678312

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1583}}^1$

素因数の和:1663

約数の個数: 128

約数和(自身を含む): 2043740160

約数和(自身を除く): 1222061848

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 31, 46, 52, 56, 62, 91, 92, 104, 124, 161, 182, 184, 217, 248, 299, 322, 364, 403, 434, 598, 644, 713, 728, 806, 868, 1196, 1288, 1426, 1583, 1612, 1736, 2093, 2392, 2821, 2852, 3166, 3224, 4186, 4991, 5642, 5704, 6332, 8372, 9269, 9982, 11081, 11284, 12664, 16744, 18538, 19964, 20579, 22162, 22568, 36409, 37076, 39928, 41158, 44324, 49073, 64883, 72818, 74152, 82316, 88648, 98146, 129766, 144053, 145636, 164632, 196292, 254863, 259532, 288106, 291272, 343511, 392584, 473317, 509726, 519064, 576212, 637949, 687022, 946634, 1019452, 1128679, 1152424, 1275898, 1374044, 1893268, 2038904, 2257358, 2551796, 2748088, 3313219, 3786536, 4465643, 4514716, 5103592, 6626438, 7900753, 8931286, 9029432, 13252876, 14672827, 15801506, 17862572, 26505752, 29345654, 31603012, 35725144, 58691308, 63206024, 102709789, 117382616, 205419578, 410839156, 821678312]

約数ペア:

[(1, 821678312), (2, 410839156), (4, 205419578), (7, 117382616), (8, 102709789), (13, 63206024), (14, 58691308), (23, 35725144), (26, 31603012), (28, 29345654), (31, 26505752), (46, 17862572), (52, 15801506), (56, 14672827), (62, 13252876), (91, 9029432), (92, 8931286), (104, 7900753), (124, 6626438), (161, 5103592), (182, 4514716), (184, 4465643), (217, 3786536), (248, 3313219), (299, 2748088), (322, 2551796), (364, 2257358), (403, 2038904), (434, 1893268), (598, 1374044), (644, 1275898), (713, 1152424), (728, 1128679), (806, 1019452), (868, 946634), (1196, 687022), (1288, 637949), (1426, 576212), (1583, 519064), (1612, 509726), (1736, 473317), (2093, 392584), (2392, 343511), (2821, 291272), (2852, 288106), (3166, 259532), (3224, 254863), (4186, 196292), (4991, 164632), (5642, 145636), (5704, 144053), (6332, 129766), (8372, 98146), (9269, 88648), (9982, 82316), (11081, 74152), (11284, 72818), (12664, 64883), (16744, 49073), (18538, 44324), (19964, 41158), (20579, 39928), (22162, 37076), (22568, 36409)]