28914872

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2621}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 62298720

約数和(自身を除く): 33383848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 2621, 2758, 5242, 5516, 10484, 11032, 18347, 20968, 36694, 73388, 146776, 516337, 1032674, 2065348, 3614359, 4130696, 7228718, 14457436, 28914872]

約数ペア:

[(1, 28914872), (2, 14457436), (4, 7228718), (7, 4130696), (8, 3614359), (14, 2065348), (28, 1032674), (56, 516337), (197, 146776), (394, 73388), (788, 36694), (1379, 20968), (1576, 18347), (2621, 11032), (2758, 10484), (5242, 5516)]