221511234

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1997}}^1$

素因数の和:2167

約数の個数: 64

約数和(自身を含む): 537062400

約数和(自身を除く): 315551166

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 139, 266, 278, 399, 417, 798, 834, 973, 1946, 1997, 2641, 2919, 3994, 5282, 5838, 5991, 7923, 11982, 13979, 15846, 18487, 27958, 36974, 37943, 41937, 55461, 75886, 83874, 110922, 113829, 227658, 265601, 277583, 531202, 555166, 796803, 832749, 1593606, 1665498, 1943081, 3886162, 5274077, 5829243, 10548154, 11658486, 15822231, 31644462, 36918539, 73837078, 110755617, 221511234]

約数ペア:

[(1, 221511234), (2, 110755617), (3, 73837078), (6, 36918539), (7, 31644462), (14, 15822231), (19, 11658486), (21, 10548154), (38, 5829243), (42, 5274077), (57, 3886162), (114, 1943081), (133, 1665498), (139, 1593606), (266, 832749), (278, 796803), (399, 555166), (417, 531202), (798, 277583), (834, 265601), (973, 227658), (1946, 113829), (1997, 110922), (2641, 83874), (2919, 75886), (3994, 55461), (5282, 41937), (5838, 37943), (5991, 36974), (7923, 27958), (11982, 18487), (13979, 15846)]