9872128

素因数分解:

$2^8\times 7^2\times {\mathrm{787}}^1$

素因数の和:817

約数の個数: 54

約数和(自身を含む): 22952076

約数和(自身を除く): 13079948

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 787, 896, 1568, 1574, 1792, 3136, 3148, 5509, 6272, 6296, 11018, 12544, 12592, 22036, 25184, 38563, 44072, 50368, 77126, 88144, 100736, 154252, 176288, 201472, 308504, 352576, 617008, 705152, 1234016, 1410304, 2468032, 4936064, 9872128]

約数ペア:

[(1, 9872128), (2, 4936064), (4, 2468032), (7, 1410304), (8, 1234016), (14, 705152), (16, 617008), (28, 352576), (32, 308504), (49, 201472), (56, 176288), (64, 154252), (98, 100736), (112, 88144), (128, 77126), (196, 50368), (224, 44072), (256, 38563), (392, 25184), (448, 22036), (784, 12592), (787, 12544), (896, 11018), (1568, 6296), (1574, 6272), (1792, 5509), (3136, 3148)]