291228470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{25171}}^1$

素因数の和:25280

約数の個数: 32

約数和(自身を含む): 570900960

約数和(自身を除く): 279672490

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 25171, 50342, 125855, 251710, 327223, 654446, 1636115, 2240219, 3272230, 4480438, 11201095, 22402190, 29122847, 58245694, 145614235, 291228470]

約数ペア:

[(1, 291228470), (2, 145614235), (5, 58245694), (10, 29122847), (13, 22402190), (26, 11201095), (65, 4480438), (89, 3272230), (130, 2240219), (178, 1636115), (445, 654446), (890, 327223), (1157, 251710), (2314, 125855), (5785, 50342), (11570, 25171)]