128514815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 195592320

約数和(自身を除く): 67077505

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 97, 109, 143, 187, 221, 485, 545, 715, 935, 1067, 1105, 1199, 1261, 1417, 1649, 1853, 2431, 5335, 5995, 6305, 7085, 8245, 9265, 10573, 12155, 13871, 15587, 18139, 20383, 21437, 24089, 52865, 69355, 77935, 90695, 101915, 107185, 116303, 120445, 137449, 179741, 235807, 264979, 581515, 687245, 898705, 1179035, 1324895, 1511939, 1977151, 2336633, 7559695, 9885755, 11683165, 25702963, 128514815]

約数ペア:

[(1, 128514815), (5, 25702963), (11, 11683165), (13, 9885755), (17, 7559695), (55, 2336633), (65, 1977151), (85, 1511939), (97, 1324895), (109, 1179035), (143, 898705), (187, 687245), (221, 581515), (485, 264979), (545, 235807), (715, 179741), (935, 137449), (1067, 120445), (1105, 116303), (1199, 107185), (1261, 101915), (1417, 90695), (1649, 77935), (1853, 69355), (2431, 52865), (5335, 24089), (5995, 21437), (6305, 20383), (7085, 18139), (8245, 15587), (9265, 13871), (10573, 12155)]