201909065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 260464896

約数和(自身を除く): 58555831

約数列:

[1, 5, 23, 53, 115, 157, 211, 265, 785, 1055, 1219, 3611, 4853, 6095, 8321, 11183, 18055, 24265, 33127, 41605, 55915, 165635, 191383, 257209, 761921, 956915, 1286045, 1755731, 3809605, 8778655, 40381813, 201909065]

約数ペア:

[(1, 201909065), (5, 40381813), (23, 8778655), (53, 3809605), (115, 1755731), (157, 1286045), (211, 956915), (265, 761921), (785, 257209), (1055, 191383), (1219, 165635), (3611, 55915), (4853, 41605), (6095, 33127), (8321, 24265), (11183, 18055)]