291278904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:781

約数の個数: 128

約数和(自身を含む): 866849280

約数和(自身を除く): 575570376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 61, 84, 86, 122, 129, 168, 172, 183, 244, 258, 301, 344, 366, 427, 488, 516, 602, 661, 732, 854, 903, 1032, 1204, 1281, 1322, 1464, 1708, 1806, 1983, 2408, 2562, 2623, 2644, 3416, 3612, 3966, 4627, 5124, 5246, 5288, 7224, 7869, 7932, 9254, 10248, 10492, 13881, 15738, 15864, 18361, 18508, 20984, 27762, 28423, 31476, 36722, 37016, 40321, 55083, 55524, 56846, 62952, 73444, 80642, 85269, 110166, 111048, 113692, 120963, 146888, 161284, 170538, 198961, 220332, 227384, 241926, 282247, 322568, 341076, 397922, 440664, 483852, 564494, 596883, 682152, 795844, 846741, 967704, 1128988, 1193766, 1591688, 1693482, 1733803, 2257976, 2387532, 3386964, 3467606, 4775064, 5201409, 6773928, 6935212, 10402818, 12136621, 13870424, 20805636, 24273242, 36409863, 41611272, 48546484, 72819726, 97092968, 145639452, 291278904]

約数ペア:

[(1, 291278904), (2, 145639452), (3, 97092968), (4, 72819726), (6, 48546484), (7, 41611272), (8, 36409863), (12, 24273242), (14, 20805636), (21, 13870424), (24, 12136621), (28, 10402818), (42, 6935212), (43, 6773928), (56, 5201409), (61, 4775064), (84, 3467606), (86, 3386964), (122, 2387532), (129, 2257976), (168, 1733803), (172, 1693482), (183, 1591688), (244, 1193766), (258, 1128988), (301, 967704), (344, 846741), (366, 795844), (427, 682152), (488, 596883), (516, 564494), (602, 483852), (661, 440664), (732, 397922), (854, 341076), (903, 322568), (1032, 282247), (1204, 241926), (1281, 227384), (1322, 220332), (1464, 198961), (1708, 170538), (1806, 161284), (1983, 146888), (2408, 120963), (2562, 113692), (2623, 111048), (2644, 110166), (3416, 85269), (3612, 80642), (3966, 73444), (4627, 62952), (5124, 56846), (5246, 55524), (5288, 55083), (7224, 40321), (7869, 37016), (7932, 36722), (9254, 31476), (10248, 28423), (10492, 27762), (13881, 20984), (15738, 18508), (15864, 18361)]