261933984

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1699

約数の個数: 144

約数和(自身を含む): 821332512

約数和(自身を除く): 559398528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 72, 78, 86, 96, 104, 117, 129, 144, 156, 172, 208, 234, 258, 288, 312, 344, 387, 416, 468, 516, 559, 624, 688, 774, 936, 1032, 1118, 1248, 1376, 1548, 1627, 1677, 1872, 2064, 2236, 3096, 3254, 3354, 3744, 4128, 4472, 4881, 5031, 6192, 6508, 6708, 8944, 9762, 10062, 12384, 13016, 13416, 14643, 17888, 19524, 20124, 21151, 26032, 26832, 29286, 39048, 40248, 42302, 52064, 53664, 58572, 63453, 69961, 78096, 80496, 84604, 117144, 126906, 139922, 156192, 160992, 169208, 190359, 209883, 234288, 253812, 279844, 338416, 380718, 419766, 468576, 507624, 559688, 629649, 676832, 761436, 839532, 909493, 1015248, 1119376, 1259298, 1522872, 1679064, 1818986, 2030496, 2238752, 2518596, 2728479, 3045744, 3358128, 3637972, 5037192, 5456958, 6091488, 6716256, 7275944, 8185437, 10074384, 10913916, 14551888, 16370874, 20148768, 21827832, 29103776, 32741748, 43655664, 65483496, 87311328, 130966992, 261933984]

約数ペア:

[(1, 261933984), (2, 130966992), (3, 87311328), (4, 65483496), (6, 43655664), (8, 32741748), (9, 29103776), (12, 21827832), (13, 20148768), (16, 16370874), (18, 14551888), (24, 10913916), (26, 10074384), (32, 8185437), (36, 7275944), (39, 6716256), (43, 6091488), (48, 5456958), (52, 5037192), (72, 3637972), (78, 3358128), (86, 3045744), (96, 2728479), (104, 2518596), (117, 2238752), (129, 2030496), (144, 1818986), (156, 1679064), (172, 1522872), (208, 1259298), (234, 1119376), (258, 1015248), (288, 909493), (312, 839532), (344, 761436), (387, 676832), (416, 629649), (468, 559688), (516, 507624), (559, 468576), (624, 419766), (688, 380718), (774, 338416), (936, 279844), (1032, 253812), (1118, 234288), (1248, 209883), (1376, 190359), (1548, 169208), (1627, 160992), (1677, 156192), (1872, 139922), (2064, 126906), (2236, 117144), (3096, 84604), (3254, 80496), (3354, 78096), (3744, 69961), (4128, 63453), (4472, 58572), (4881, 53664), (5031, 52064), (6192, 42302), (6508, 40248), (6708, 39048), (8944, 29286), (9762, 26832), (10062, 26032), (12384, 21151), (13016, 20124), (13416, 19524), (14643, 17888)]