251132609

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 320495616

約数和(自身を除く): 69363007

約数列:

[1, 7, 13, 47, 71, 91, 329, 497, 611, 827, 923, 3337, 4277, 5789, 6461, 10751, 23359, 38869, 43381, 58717, 75257, 272083, 303667, 411019, 505297, 763321, 2759699, 3537079, 5343247, 19317893, 35876087, 251132609]

約数ペア:

[(1, 251132609), (7, 35876087), (13, 19317893), (47, 5343247), (71, 3537079), (91, 2759699), (329, 763321), (497, 505297), (611, 411019), (827, 303667), (923, 272083), (3337, 75257), (4277, 58717), (5789, 43381), (6461, 38869), (10751, 23359)]