211765736

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 526901760

約数和(自身を除く): 315136024

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 71, 91, 104, 119, 136, 142, 182, 221, 238, 241, 284, 364, 442, 476, 482, 497, 568, 728, 884, 923, 952, 964, 994, 1207, 1547, 1687, 1768, 1846, 1928, 1988, 2414, 3094, 3133, 3374, 3692, 3976, 4097, 4828, 6188, 6266, 6461, 6748, 7384, 8194, 8449, 9656, 12376, 12532, 12922, 13496, 15691, 16388, 16898, 17111, 21931, 25064, 25844, 28679, 31382, 32776, 33796, 34222, 43862, 51688, 53261, 57358, 62764, 67592, 68444, 87724, 106522, 109837, 114716, 119777, 125528, 136888, 175448, 213044, 219674, 222443, 229432, 239554, 290887, 372827, 426088, 439348, 444886, 479108, 581774, 745654, 878696, 889772, 958216, 1163548, 1491308, 1557101, 1779544, 2036209, 2327096, 2982616, 3114202, 3781531, 4072418, 6228404, 7563062, 8144836, 12456808, 15126124, 16289672, 26470717, 30252248, 52941434, 105882868, 211765736]

約数ペア:

[(1, 211765736), (2, 105882868), (4, 52941434), (7, 30252248), (8, 26470717), (13, 16289672), (14, 15126124), (17, 12456808), (26, 8144836), (28, 7563062), (34, 6228404), (52, 4072418), (56, 3781531), (68, 3114202), (71, 2982616), (91, 2327096), (104, 2036209), (119, 1779544), (136, 1557101), (142, 1491308), (182, 1163548), (221, 958216), (238, 889772), (241, 878696), (284, 745654), (364, 581774), (442, 479108), (476, 444886), (482, 439348), (497, 426088), (568, 372827), (728, 290887), (884, 239554), (923, 229432), (952, 222443), (964, 219674), (994, 213044), (1207, 175448), (1547, 136888), (1687, 125528), (1768, 119777), (1846, 114716), (1928, 109837), (1988, 106522), (2414, 87724), (3094, 68444), (3133, 67592), (3374, 62764), (3692, 57358), (3976, 53261), (4097, 51688), (4828, 43862), (6188, 34222), (6266, 33796), (6461, 32776), (6748, 31382), (7384, 28679), (8194, 25844), (8449, 25064), (9656, 21931), (12376, 17111), (12532, 16898), (12922, 16388), (13496, 15691)]