71302972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{72169}}^1$

素因数の和:72205

約数の個数: 24

約数和(自身を含む): 141453200

約数和(自身を除く): 70150228

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 72169, 144338, 288676, 938197, 1371211, 1876394, 2742422, 3752788, 5484844, 17825743, 35651486, 71302972]

約数ペア:

[(1, 71302972), (2, 35651486), (4, 17825743), (13, 5484844), (19, 3752788), (26, 2742422), (38, 1876394), (52, 1371211), (76, 938197), (247, 288676), (494, 144338), (988, 72169)]