28759549

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 8254211

約数列:

[1, 7, 13, 53, 67, 89, 91, 371, 469, 623, 689, 871, 1157, 3551, 4717, 4823, 5963, 6097, 8099, 24857, 33019, 41741, 46163, 61321, 77519, 316039, 323141, 429247, 542633, 2212273, 4108507, 28759549]

約数ペア:

[(1, 28759549), (7, 4108507), (13, 2212273), (53, 542633), (67, 429247), (89, 323141), (91, 316039), (371, 77519), (469, 61321), (623, 46163), (689, 41741), (871, 33019), (1157, 24857), (3551, 8099), (4717, 6097), (4823, 5963)]