1291245356

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{569}}^1\times {\mathrm{18301}}^1$

素因数の和:18905

約数の個数: 24

約数和(自身を含む): 2336799360

約数和(自身を除く): 1045554004

約数列:

[1, 2, 4, 31, 62, 124, 569, 1138, 2276, 17639, 18301, 35278, 36602, 70556, 73204, 567331, 1134662, 2269324, 10413269, 20826538, 41653076, 322811339, 645622678, 1291245356]

約数ペア:

[(1, 1291245356), (2, 645622678), (4, 322811339), (31, 41653076), (62, 20826538), (124, 10413269), (569, 2269324), (1138, 1134662), (2276, 567331), (17639, 73204), (18301, 70556), (35278, 36602)]