638201135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{2393}}^1$

素因数の和:2795

約数の個数: 32

約数和(自身を含む): 902518848

約数和(自身を除く): 264317713

約数列:

[1, 5, 11, 13, 55, 65, 143, 373, 715, 1865, 2393, 4103, 4849, 11965, 20515, 24245, 26323, 31109, 53339, 131615, 155545, 266695, 342199, 892589, 1710995, 4462945, 9818479, 11603657, 49092395, 58018285, 127640227, 638201135]

約数ペア:

[(1, 638201135), (5, 127640227), (11, 58018285), (13, 49092395), (55, 11603657), (65, 9818479), (143, 4462945), (373, 1710995), (715, 892589), (1865, 342199), (2393, 266695), (4103, 155545), (4849, 131615), (11965, 53339), (20515, 31109), (24245, 26323)]