439155145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19813}}^1$

素因数の和:19873

約数の個数: 32

約数和(自身を含む): 639120384

約数和(自身を除く): 199965239

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 1705, 2015, 4433, 19813, 22165, 99065, 217943, 257569, 614203, 1089715, 1287845, 2833259, 3071015, 6756233, 7984639, 14166295, 33781165, 39923195, 87831029, 439155145]

約数ペア:

[(1, 439155145), (5, 87831029), (11, 39923195), (13, 33781165), (31, 14166295), (55, 7984639), (65, 6756233), (143, 3071015), (155, 2833259), (341, 1287845), (403, 1089715), (715, 614203), (1705, 257569), (2015, 217943), (4433, 99065), (19813, 22165)]