638125005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{1237}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 1240773120

約数和(自身を除く): 602648115

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 289, 357, 595, 867, 1237, 1445, 1785, 2023, 3711, 4335, 4913, 6069, 6185, 8659, 10115, 14739, 18555, 21029, 24565, 25977, 30345, 34391, 43295, 63087, 73695, 103173, 105145, 129885, 147203, 171955, 315435, 357493, 441609, 515865, 736015, 1072479, 1787465, 2208045, 2502451, 5362395, 6077381, 7507353, 12512255, 18232143, 30386905, 37536765, 42541667, 91160715, 127625001, 212708335, 638125005]

約数ペア:

[(1, 638125005), (3, 212708335), (5, 127625001), (7, 91160715), (15, 42541667), (17, 37536765), (21, 30386905), (35, 18232143), (51, 12512255), (85, 7507353), (105, 6077381), (119, 5362395), (255, 2502451), (289, 2208045), (357, 1787465), (595, 1072479), (867, 736015), (1237, 515865), (1445, 441609), (1785, 357493), (2023, 315435), (3711, 171955), (4335, 147203), (4913, 129885), (6069, 105145), (6185, 103173), (8659, 73695), (10115, 63087), (14739, 43295), (18555, 34391), (21029, 30345), (24565, 25977)]