259243205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 347366880

約数和(自身を除く): 88123675

約数列:

[1, 5, 13, 41, 65, 89, 205, 445, 533, 1093, 1157, 2665, 3649, 5465, 5785, 14209, 18245, 44813, 47437, 71045, 97277, 224065, 237185, 486385, 582569, 1264601, 2912845, 3988357, 6323005, 19941785, 51848641, 259243205]

約数ペア:

[(1, 259243205), (5, 51848641), (13, 19941785), (41, 6323005), (65, 3988357), (89, 2912845), (205, 1264601), (445, 582569), (533, 486385), (1093, 237185), (1157, 224065), (2665, 97277), (3649, 71045), (5465, 47437), (5785, 44813), (14209, 18245)]