256230481910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1971003707}}^1$

素因数の和:1971003727

約数の個数: 16

約数和(自身を含む): 496692934416

約数和(自身を除く): 240462452506

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1971003707, 3942007414, 9855018535, 19710037070, 25623048191, 51246096382, 128115240955, 256230481910]

約数ペア:

[(1, 256230481910), (2, 128115240955), (5, 51246096382), (10, 25623048191), (13, 19710037070), (26, 9855018535), (65, 3942007414), (130, 1971003707)]