25219712

素因数分解:

$2^7\times 7^2\times {\mathrm{4021}}^1$

素因数の和:4049

約数の個数: 48

約数和(自身を含む): 58459770

約数和(自身を除く): 33240058

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 4021, 6272, 8042, 16084, 28147, 32168, 56294, 64336, 112588, 128672, 197029, 225176, 257344, 394058, 450352, 514688, 788116, 900704, 1576232, 1801408, 3152464, 3602816, 6304928, 12609856, 25219712]

約数ペア:

[(1, 25219712), (2, 12609856), (4, 6304928), (7, 3602816), (8, 3152464), (14, 1801408), (16, 1576232), (28, 900704), (32, 788116), (49, 514688), (56, 450352), (64, 394058), (98, 257344), (112, 225176), (128, 197029), (196, 128672), (224, 112588), (392, 64336), (448, 56294), (784, 32168), (896, 28147), (1568, 16084), (3136, 8042), (4021, 6272)]