209523384

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{415721}}^1$

素因数の和:415740

約数の個数: 48

約数和(自身を含む): 648526320

約数和(自身を除く): 439002936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 415721, 831442, 1247163, 1662884, 2494326, 2910047, 3325768, 3741489, 4988652, 5820094, 7482978, 8730141, 9977304, 11640188, 14965956, 17460282, 23280376, 26190423, 29931912, 34920564, 52380846, 69841128, 104761692, 209523384]

約数ペア:

[(1, 209523384), (2, 104761692), (3, 69841128), (4, 52380846), (6, 34920564), (7, 29931912), (8, 26190423), (9, 23280376), (12, 17460282), (14, 14965956), (18, 11640188), (21, 9977304), (24, 8730141), (28, 7482978), (36, 5820094), (42, 4988652), (56, 3741489), (63, 3325768), (72, 2910047), (84, 2494326), (126, 1662884), (168, 1247163), (252, 831442), (504, 415721)]