1257312308

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{4139}}^1$

素因数の和:4740

約数の個数: 48

約数和(自身を含む): 2652249600

約数和(自身を除く): 1394937292

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 571, 1142, 2284, 3997, 4139, 7994, 8278, 10849, 15988, 16556, 21698, 28973, 43396, 57946, 75943, 78641, 115892, 151886, 157282, 303772, 314564, 550487, 1100974, 2201948, 2363369, 4726738, 9453476, 16543583, 33087166, 44904011, 66174332, 89808022, 179616044, 314328077, 628656154, 1257312308]

約数ペア:

[(1, 1257312308), (2, 628656154), (4, 314328077), (7, 179616044), (14, 89808022), (19, 66174332), (28, 44904011), (38, 33087166), (76, 16543583), (133, 9453476), (266, 4726738), (532, 2363369), (571, 2201948), (1142, 1100974), (2284, 550487), (3997, 314564), (4139, 303772), (7994, 157282), (8278, 151886), (10849, 115892), (15988, 78641), (16556, 75943), (21698, 57946), (28973, 43396)]