127401008

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12781}}^1$

素因数の和:12885

約数の個数: 40

約数和(自身を含む): 285294240

約数和(自身を除く): 157893232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 12781, 25562, 51124, 89467, 102248, 178934, 204496, 357868, 715736, 1137509, 1431472, 2275018, 4550036, 7962563, 9100072, 15925126, 18200144, 31850252, 63700504, 127401008]

約数ペア:

[(1, 127401008), (2, 63700504), (4, 31850252), (7, 18200144), (8, 15925126), (14, 9100072), (16, 7962563), (28, 4550036), (56, 2275018), (89, 1431472), (112, 1137509), (178, 715736), (356, 357868), (623, 204496), (712, 178934), (1246, 102248), (1424, 89467), (2492, 51124), (4984, 25562), (9968, 12781)]