163888928

素因数分解:

$2^5\times 7^2\times {\mathrm{127}}^1\times {\mathrm{823}}^1$

素因数の和:974

約数の個数: 72

約数和(自身を含む): 378749952

約数和(自身を除く): 214861024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 127, 196, 224, 254, 392, 508, 784, 823, 889, 1016, 1568, 1646, 1778, 2032, 3292, 3556, 4064, 5761, 6223, 6584, 7112, 11522, 12446, 13168, 14224, 23044, 24892, 26336, 28448, 40327, 46088, 49784, 80654, 92176, 99568, 104521, 161308, 184352, 199136, 209042, 322616, 418084, 645232, 731647, 836168, 1290464, 1463294, 1672336, 2926588, 3344672, 5121529, 5853176, 10243058, 11706352, 20486116, 23412704, 40972232, 81944464, 163888928]

約数ペア:

[(1, 163888928), (2, 81944464), (4, 40972232), (7, 23412704), (8, 20486116), (14, 11706352), (16, 10243058), (28, 5853176), (32, 5121529), (49, 3344672), (56, 2926588), (98, 1672336), (112, 1463294), (127, 1290464), (196, 836168), (224, 731647), (254, 645232), (392, 418084), (508, 322616), (784, 209042), (823, 199136), (889, 184352), (1016, 161308), (1568, 104521), (1646, 99568), (1778, 92176), (2032, 80654), (3292, 49784), (3556, 46088), (4064, 40327), (5761, 28448), (6223, 26336), (6584, 24892), (7112, 23044), (11522, 14224), (12446, 13168)]