25273508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 24400732

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 89, 127, 172, 178, 254, 356, 508, 559, 1118, 1157, 1651, 2236, 2314, 3302, 3827, 4628, 5461, 6604, 7654, 10922, 11303, 15308, 21844, 22606, 45212, 49751, 70993, 99502, 141986, 146939, 199004, 283972, 293878, 486029, 587756, 972058, 1944116, 6318377, 12636754, 25273508]

約数ペア:

[(1, 25273508), (2, 12636754), (4, 6318377), (13, 1944116), (26, 972058), (43, 587756), (52, 486029), (86, 293878), (89, 283972), (127, 199004), (172, 146939), (178, 141986), (254, 99502), (356, 70993), (508, 49751), (559, 45212), (1118, 22606), (1157, 21844), (1651, 15308), (2236, 11303), (2314, 10922), (3302, 7654), (3827, 6604), (4628, 5461)]