641543762

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{10267}}^1$

素因数の和:10625

約数の個数: 16

約数和(自身を含む): 973406400

約数和(自身を除く): 331862638

約数列:

[1, 2, 157, 199, 314, 398, 10267, 20534, 31243, 62486, 1611919, 2043133, 3223838, 4086266, 320771881, 641543762]

約数ペア:

[(1, 641543762), (2, 320771881), (157, 4086266), (199, 3223838), (314, 2043133), (398, 1611919), (10267, 62486), (20534, 31243)]