426990590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{105953}}^1$

素因数の和:106004

約数の個数: 32

約数和(自身を含む): 854413056

約数和(自身を除く): 427422466

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 105953, 211906, 529765, 1059530, 1377389, 2754778, 3284543, 6569086, 6886945, 13773890, 16422715, 32845430, 42699059, 85398118, 213495295, 426990590]

約数ペア:

[(1, 426990590), (2, 213495295), (5, 85398118), (10, 42699059), (13, 32845430), (26, 16422715), (31, 13773890), (62, 6886945), (65, 6569086), (130, 3284543), (155, 2754778), (310, 1377389), (403, 1059530), (806, 529765), (2015, 211906), (4030, 105953)]