289392207

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 463325184

約数和(自身を除く): 173932977

約数列:

[1, 3, 13, 17, 37, 39, 47, 51, 111, 141, 221, 251, 481, 611, 629, 663, 753, 799, 1443, 1739, 1833, 1887, 2397, 3263, 4267, 5217, 8177, 9287, 9789, 10387, 11797, 12801, 22607, 24531, 27861, 29563, 31161, 35391, 55471, 67821, 88689, 120731, 153361, 157879, 166413, 200549, 362193, 384319, 436489, 460083, 473637, 601647, 1152957, 1309467, 2052427, 2607137, 5674357, 6157281, 7420313, 7821411, 17023071, 22260939, 96464069, 289392207]

約数ペア:

[(1, 289392207), (3, 96464069), (13, 22260939), (17, 17023071), (37, 7821411), (39, 7420313), (47, 6157281), (51, 5674357), (111, 2607137), (141, 2052427), (221, 1309467), (251, 1152957), (481, 601647), (611, 473637), (629, 460083), (663, 436489), (753, 384319), (799, 362193), (1443, 200549), (1739, 166413), (1833, 157879), (1887, 153361), (2397, 120731), (3263, 88689), (4267, 67821), (5217, 55471), (8177, 35391), (9287, 31161), (9789, 29563), (10387, 27861), (11797, 24531), (12801, 22607)]