668181706

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 1041828480

約数和(自身を除く): 373646774

約数列:

[1, 2, 53, 83, 106, 166, 173, 346, 439, 878, 4399, 8798, 9169, 14359, 18338, 23267, 28718, 36437, 46534, 72874, 75947, 151894, 761027, 1522054, 1931161, 3862322, 4025191, 6303601, 8050382, 12607202, 334090853, 668181706]

約数ペア:

[(1, 668181706), (2, 334090853), (53, 12607202), (83, 8050382), (106, 6303601), (166, 4025191), (173, 3862322), (346, 1931161), (439, 1522054), (878, 761027), (4399, 151894), (8798, 75947), (9169, 72874), (14359, 46534), (18338, 36437), (23267, 28718)]