31725590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244043}}^1$

素因数の和:244063

約数の個数: 16

約数和(自身を含む): 61499088

約数和(自身を除く): 29773498

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 244043, 488086, 1220215, 2440430, 3172559, 6345118, 15862795, 31725590]

約数ペア:

[(1, 31725590), (2, 15862795), (5, 6345118), (10, 3172559), (13, 2440430), (26, 1220215), (65, 488086), (130, 244043)]