25481144

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 52967520

約数和(自身を除く): 27486376

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 169, 188, 338, 376, 401, 611, 676, 802, 1222, 1352, 1604, 2444, 3208, 4888, 5213, 7943, 10426, 15886, 18847, 20852, 31772, 37694, 41704, 63544, 67769, 75388, 135538, 150776, 245011, 271076, 490022, 542152, 980044, 1960088, 3185143, 6370286, 12740572, 25481144]

約数ペア:

[(1, 25481144), (2, 12740572), (4, 6370286), (8, 3185143), (13, 1960088), (26, 980044), (47, 542152), (52, 490022), (94, 271076), (104, 245011), (169, 150776), (188, 135538), (338, 75388), (376, 67769), (401, 63544), (611, 41704), (676, 37694), (802, 31772), (1222, 20852), (1352, 18847), (1604, 15886), (2444, 10426), (3208, 7943), (4888, 5213)]