1639891954

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{102763}}^1$

素因数の和:102945

約数の個数: 16

約数和(自身を含む): 2515662720

約数和(自身を除く): 875770766

約数列:

[1, 2, 79, 101, 158, 202, 7979, 15958, 102763, 205526, 8118277, 10379063, 16236554, 20758126, 819945977, 1639891954]

約数ペア:

[(1, 1639891954), (2, 819945977), (79, 20758126), (101, 16236554), (158, 10379063), (202, 8118277), (7979, 205526), (15958, 102763)]